129604820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 278909568

約数和(自身を除く): 149304748

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 535, 710, 853, 1070, 1420, 1706, 2140, 3412, 4265, 7597, 8530, 15194, 17060, 30388, 37985, 60563, 75970, 91271, 121126, 151940, 182542, 242252, 302815, 365084, 456355, 605630, 912710, 1211260, 1825420, 6480241, 12960482, 25920964, 32401205, 64802410, 129604820]

約数ペア:

[(1, 129604820), (2, 64802410), (4, 32401205), (5, 25920964), (10, 12960482), (20, 6480241), (71, 1825420), (107, 1211260), (142, 912710), (214, 605630), (284, 456355), (355, 365084), (428, 302815), (535, 242252), (710, 182542), (853, 151940), (1070, 121126), (1420, 91271), (1706, 75970), (2140, 60563), (3412, 37985), (4265, 30388), (7597, 17060), (8530, 15194)]