329607920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{29641}}^1$

素因数の和:29793

約数の個数: 40

約数和(自身を含む): 771877680

約数和(自身を除く): 442269760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 29641, 59282, 118564, 148205, 237128, 296410, 474256, 592820, 1185640, 2371280, 4120099, 8240198, 16480396, 20600495, 32960792, 41200990, 65921584, 82401980, 164803960, 329607920]

約数ペア:

[(1, 329607920), (2, 164803960), (4, 82401980), (5, 65921584), (8, 41200990), (10, 32960792), (16, 20600495), (20, 16480396), (40, 8240198), (80, 4120099), (139, 2371280), (278, 1185640), (556, 592820), (695, 474256), (1112, 296410), (1390, 237128), (2224, 148205), (2780, 118564), (5560, 59282), (11120, 29641)]