291057980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{274583}}^1$

素因数の和:274645

約数の個数: 24

約数和(自身を含む): 622756512

約数和(自身を除く): 331698532

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 274583, 549166, 1098332, 1372915, 2745830, 5491660, 14552899, 29105798, 58211596, 72764495, 145528990, 291057980]

約数ペア:

[(1, 291057980), (2, 145528990), (4, 72764495), (5, 58211596), (10, 29105798), (20, 14552899), (53, 5491660), (106, 2745830), (212, 1372915), (265, 1098332), (530, 549166), (1060, 274583)]