Ruth-Aaron numbers: Difference between revisions
added Arturo
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First Ruth-Aaron triple (divisors): 89460294
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=={{header|Arturo}}==
<syntaxhighlight lang="arturo">fRuthAaron?: function [n]-> (sum factors.prime n) = sum factors.prime n+1
dRuthAaron?: function [n]-> (sum unique factors.prime n) = sum unique factors.prime n+1
print "First 30 Ruth-Aaron numbers (factors):"
loop split.every: 10 select.first:30 1..∞ => fRuthAaron? 'x ->
print map x 's -> pad to :string s 5
print ""
print "First 30 Ruth-Aaron numbers (divisors):"
loop split.every: 10 select.first:30 1..∞ => dRuthAaron? 'x ->
print map x 's -> pad to :string s 5</syntaxhighlight>
{{out}}
<pre>First 30 Ruth-Aaron numbers (factors):
5 8 15 77 125 714 948 1330 1520 1862
2491 3248 4185 4191 5405 5560 5959 6867 8280 8463
10647 12351 14587 16932 17080 18490 20450 24895 26642 26649
First 30 Ruth-Aaron numbers (divisors):
5 24 49 77 104 153 369 492 714 1682
2107 2299 2600 2783 5405 6556 6811 8855 9800 12726
13775 18655 21183 24024 24432 24880 25839 26642 35456 40081</pre>
=={{header|C++}}==
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