781897420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{58613}}^1$

素因数の和:58674

約数の個数: 48

約数和(自身を含む): 1772487360

約数和(自身を除く): 990589940

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2668, 3335, 6670, 13340, 58613, 117226, 234452, 293065, 586130, 1172260, 1348099, 1699777, 2696198, 3399554, 5392396, 6740495, 6799108, 8498885, 13480990, 16997770, 26961980, 33995540, 39094871, 78189742, 156379484, 195474355, 390948710, 781897420]

約数ペア:

[(1, 781897420), (2, 390948710), (4, 195474355), (5, 156379484), (10, 78189742), (20, 39094871), (23, 33995540), (29, 26961980), (46, 16997770), (58, 13480990), (92, 8498885), (115, 6799108), (116, 6740495), (145, 5392396), (230, 3399554), (290, 2696198), (460, 1699777), (580, 1348099), (667, 1172260), (1334, 586130), (2668, 293065), (3335, 234452), (6670, 117226), (13340, 58613)]