255373360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 650128032

約数和(自身を除く): 394754672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 521, 557, 880, 1042, 1114, 2084, 2228, 2605, 2785, 4168, 4456, 5210, 5570, 5731, 6127, 8336, 8912, 10420, 11140, 11462, 12254, 20840, 22280, 22924, 24508, 28655, 30635, 41680, 44560, 45848, 49016, 57310, 61270, 91696, 98032, 114620, 122540, 229240, 245080, 290197, 458480, 490160, 580394, 1160788, 1450985, 2321576, 2901970, 3192167, 4643152, 5803940, 6384334, 11607880, 12768668, 15960835, 23215760, 25537336, 31921670, 51074672, 63843340, 127686680, 255373360]

約数ペア:

[(1, 255373360), (2, 127686680), (4, 63843340), (5, 51074672), (8, 31921670), (10, 25537336), (11, 23215760), (16, 15960835), (20, 12768668), (22, 11607880), (40, 6384334), (44, 5803940), (55, 4643152), (80, 3192167), (88, 2901970), (110, 2321576), (176, 1450985), (220, 1160788), (440, 580394), (521, 490160), (557, 458480), (880, 290197), (1042, 245080), (1114, 229240), (2084, 122540), (2228, 114620), (2605, 98032), (2785, 91696), (4168, 61270), (4456, 57310), (5210, 49016), (5570, 45848), (5731, 44560), (6127, 41680), (8336, 30635), (8912, 28655), (10420, 24508), (11140, 22924), (11462, 22280), (12254, 20840)]