128413146820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1453}}^1\times {\mathrm{631271}}^1$

素因数の和:632740

約数の個数: 48

約数和(自身を含む): 308404147968

約数和(自身を除く): 179991001148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1453, 2906, 5812, 7265, 10171, 14530, 20342, 29060, 40684, 50855, 101710, 203420, 631271, 1262542, 2525084, 3156355, 4418897, 6312710, 8837794, 12625420, 17675588, 22094485, 44188970, 88377940, 917236763, 1834473526, 3668947052, 4586183815, 6420657341, 9172367630, 12841314682, 18344735260, 25682629364, 32103286705, 64206573410, 128413146820]

約数ペア:

[(1, 128413146820), (2, 64206573410), (4, 32103286705), (5, 25682629364), (7, 18344735260), (10, 12841314682), (14, 9172367630), (20, 6420657341), (28, 4586183815), (35, 3668947052), (70, 1834473526), (140, 917236763), (1453, 88377940), (2906, 44188970), (5812, 22094485), (7265, 17675588), (10171, 12625420), (14530, 8837794), (20342, 6312710), (29060, 4418897), (40684, 3156355), (50855, 2525084), (101710, 1262542), (203420, 631271)]