87912980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{29501}}^1$

素因数の和:29659

約数の個数: 24

約数和(自身を含む): 185862600

約数和(自身を除く): 97949620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 29501, 59002, 118004, 147505, 295010, 590020, 4395649, 8791298, 17582596, 21978245, 43956490, 87912980]

約数ペア:

[(1, 87912980), (2, 43956490), (4, 21978245), (5, 17582596), (10, 8791298), (20, 4395649), (149, 590020), (298, 295010), (596, 147505), (745, 118004), (1490, 59002), (2980, 29501)]