90439525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 36

約数和(自身を含む): 129259584

約数和(自身を除く): 38820059

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 911, 1045, 1805, 3971, 4555, 5225, 9025, 10021, 17309, 19855, 22775, 50105, 86545, 99275, 190399, 250525, 328871, 432725, 951995, 1644355, 3617581, 4759975, 8221775, 18087905, 90439525]

約数ペア:

[(1, 90439525), (5, 18087905), (11, 8221775), (19, 4759975), (25, 3617581), (55, 1644355), (95, 951995), (209, 432725), (275, 328871), (361, 250525), (475, 190399), (911, 99275), (1045, 86545), (1805, 50105), (3971, 22775), (4555, 19855), (5225, 17309), (9025, 10021)]