407776280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1151}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 974177280

約数和(自身を除く): 566401000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 521, 680, 1042, 1151, 2084, 2302, 2605, 4168, 4604, 5210, 5755, 8857, 9208, 10420, 11510, 17714, 19567, 20840, 23020, 35428, 39134, 44285, 46040, 70856, 78268, 88570, 97835, 156536, 177140, 195670, 354280, 391340, 599671, 782680, 1199342, 2398684, 2998355, 4797368, 5996710, 10194407, 11993420, 20388814, 23986840, 40777628, 50972035, 81555256, 101944070, 203888140, 407776280]

約数ペア:

[(1, 407776280), (2, 203888140), (4, 101944070), (5, 81555256), (8, 50972035), (10, 40777628), (17, 23986840), (20, 20388814), (34, 11993420), (40, 10194407), (68, 5996710), (85, 4797368), (136, 2998355), (170, 2398684), (340, 1199342), (521, 782680), (680, 599671), (1042, 391340), (1151, 354280), (2084, 195670), (2302, 177140), (2605, 156536), (4168, 97835), (4604, 88570), (5210, 78268), (5755, 70856), (8857, 46040), (9208, 44285), (10420, 39134), (11510, 35428), (17714, 23020), (19567, 20840)]