478160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 1145760

約数和(自身を除く): 667600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 139, 172, 215, 278, 344, 430, 556, 688, 695, 860, 1112, 1390, 1720, 2224, 2780, 3440, 5560, 5977, 11120, 11954, 23908, 29885, 47816, 59770, 95632, 119540, 239080, 478160]

約数ペア:

[(1, 478160), (2, 239080), (4, 119540), (5, 95632), (8, 59770), (10, 47816), (16, 29885), (20, 23908), (40, 11954), (43, 11120), (80, 5977), (86, 5560), (139, 3440), (172, 2780), (215, 2224), (278, 1720), (344, 1390), (430, 1112), (556, 860), (688, 695)]