140888180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13367}}^1$

素因数の和:13424

約数の個数: 48

約数和(自身を含む): 323398656

約数和(自身を除く): 182510476

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 13367, 26734, 53468, 66835, 133670, 227239, 267340, 414377, 454478, 828754, 908956, 1136195, 1657508, 2071885, 2272390, 4143770, 4544780, 7044409, 8287540, 14088818, 28177636, 35222045, 70444090, 140888180]

約数ペア:

[(1, 140888180), (2, 70444090), (4, 35222045), (5, 28177636), (10, 14088818), (17, 8287540), (20, 7044409), (31, 4544780), (34, 4143770), (62, 2272390), (68, 2071885), (85, 1657508), (124, 1136195), (155, 908956), (170, 828754), (310, 454478), (340, 414377), (527, 267340), (620, 227239), (1054, 133670), (2108, 66835), (2635, 53468), (5270, 26734), (10540, 13367)]