201931525

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 280180480

約数和(自身を除く): 78248955

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 425, 475, 1445, 1471, 1615, 5491, 7225, 7355, 8075, 25007, 27455, 27949, 36775, 125035, 137275, 139745, 425119, 475133, 625175, 698725, 2125595, 2375665, 8077261, 10627975, 11878325, 40386305, 201931525]

約数ペア:

[(1, 201931525), (5, 40386305), (17, 11878325), (19, 10627975), (25, 8077261), (85, 2375665), (95, 2125595), (289, 698725), (323, 625175), (425, 475133), (475, 425119), (1445, 139745), (1471, 137275), (1615, 125035), (5491, 36775), (7225, 27949), (7355, 27455), (8075, 25007)]