Numbers m with abundance 30: sigma(m) - 2*m = 30.

A389701

Numbers m with abundance 30: sigma(m) - 2*m = 30.

Terms

    a(0) =945a(1) =6208a(2) =7425a(3) =15028a(4) =437745a(5) =2065408a(6) =3428368a(7) =20355825a(8) =33427456a(9) =78524145a(10) =8587902976a(11) =137430827008

External references