127686680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 314578080

約数和(自身を除く): 186891400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521, 557, 1042, 1114, 2084, 2228, 2605, 2785, 4168, 4456, 5210, 5570, 5731, 6127, 10420, 11140, 11462, 12254, 20840, 22280, 22924, 24508, 28655, 30635, 45848, 49016, 57310, 61270, 114620, 122540, 229240, 245080, 290197, 580394, 1160788, 1450985, 2321576, 2901970, 3192167, 5803940, 6384334, 11607880, 12768668, 15960835, 25537336, 31921670, 63843340, 127686680]

約数ペア:

[(1, 127686680), (2, 63843340), (4, 31921670), (5, 25537336), (8, 15960835), (10, 12768668), (11, 11607880), (20, 6384334), (22, 5803940), (40, 3192167), (44, 2901970), (55, 2321576), (88, 1450985), (110, 1160788), (220, 580394), (440, 290197), (521, 245080), (557, 229240), (1042, 122540), (1114, 114620), (2084, 61270), (2228, 57310), (2605, 49016), (2785, 45848), (4168, 30635), (4456, 28655), (5210, 24508), (5570, 22924), (5731, 22280), (6127, 20840), (10420, 12254), (11140, 11462)]