245537980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{396029}}^1$

素因数の和:396069

約数の個数: 24

約数和(自身を含む): 532264320

約数和(自身を除く): 286726340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 396029, 792058, 1584116, 1980145, 3960290, 7920580, 12276899, 24553798, 49107596, 61384495, 122768990, 245537980]

約数ペア:

[(1, 245537980), (2, 122768990), (4, 61384495), (5, 49107596), (10, 24553798), (20, 12276899), (31, 7920580), (62, 3960290), (124, 1980145), (155, 1584116), (310, 792058), (620, 396029)]