2019653575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 2696827392

約数和(自身を除く): 677173817

約数列:

[1, 5, 23, 25, 61, 71, 115, 305, 355, 575, 811, 1403, 1525, 1633, 1775, 4055, 4331, 7015, 8165, 18653, 20275, 21655, 35075, 40825, 49471, 57581, 93265, 99613, 108275, 247355, 287905, 466325, 498065, 1137833, 1236775, 1324363, 1439525, 2490325, 3512441, 5689165, 6621815, 17562205, 28445825, 33109075, 80786143, 87811025, 403930715, 2019653575]

約数ペア:

[(1, 2019653575), (5, 403930715), (23, 87811025), (25, 80786143), (61, 33109075), (71, 28445825), (115, 17562205), (305, 6621815), (355, 5689165), (575, 3512441), (811, 2490325), (1403, 1439525), (1525, 1324363), (1633, 1236775), (1775, 1137833), (4055, 498065), (4331, 466325), (7015, 287905), (8165, 247355), (18653, 108275), (20275, 99613), (21655, 93265), (35075, 57581), (40825, 49471)]