390065.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 153342720

約数和(自身を除く): 91218680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 521, 542, 1042, 1084, 1355, 2084, 2168, 2605, 2710, 2981, 4168, 5210, 5420, 5731, 5962, 10420, 10840, 11462, 11924, 14905, 20840, 22924, 23848, 28655, 29810, 45848, 57310, 59620, 114620, 119240, 141191, 229240, 282382, 564764, 705955, 1129528, 1411910, 1553101, 2823820, 3106202, 5647640, 6212404, 7765505, 12424808, 15531010, 31062020, 62124040]

約数ペア:

[(1, 62124040), (2, 31062020), (4, 15531010), (5, 12424808), (8, 7765505), (10, 6212404), (11, 5647640), (20, 3106202), (22, 2823820), (40, 1553101), (44, 1411910), (55, 1129528), (88, 705955), (110, 564764), (220, 282382), (271, 229240), (440, 141191), (521, 119240), (542, 114620), (1042, 59620), (1084, 57310), (1355, 45848), (2084, 29810), (2168, 28655), (2605, 23848), (2710, 22924), (2981, 20840), (4168, 14905), (5210, 11924), (5420, 11462), (5731, 10840), (5962, 10420)]