310086760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 719611200

約数和(自身を除く): 409524440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 860, 1112, 1297, 1390, 1720, 2594, 2780, 5188, 5560, 5977, 6485, 10376, 11954, 12970, 23908, 25940, 29885, 47816, 51880, 55771, 59770, 111542, 119540, 180283, 223084, 239080, 278855, 360566, 446168, 557710, 721132, 901415, 1115420, 1442264, 1802830, 2230840, 3605660, 7211320, 7752169, 15504338, 31008676, 38760845, 62017352, 77521690, 155043380, 310086760]

約数ペア:

[(1, 310086760), (2, 155043380), (4, 77521690), (5, 62017352), (8, 38760845), (10, 31008676), (20, 15504338), (40, 7752169), (43, 7211320), (86, 3605660), (139, 2230840), (172, 1802830), (215, 1442264), (278, 1115420), (344, 901415), (430, 721132), (556, 557710), (695, 446168), (860, 360566), (1112, 278855), (1297, 239080), (1390, 223084), (1720, 180283), (2594, 119540), (2780, 111542), (5188, 59770), (5560, 55771), (5977, 51880), (6485, 47816), (10376, 29885), (11954, 25940), (12970, 23908)]