211178680

素因数分解:

$2^3\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{2971}}^1$

素因数の和:4759

約数の個数: 32

約数和(自身を含む): 475579440

約数和(自身を除く): 264400760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777, 2971, 3554, 5942, 7108, 8885, 11884, 14216, 14855, 17770, 23768, 29710, 35540, 59420, 71080, 118840, 5279467, 10558934, 21117868, 26397335, 42235736, 52794670, 105589340, 211178680]

約数ペア:

[(1, 211178680), (2, 105589340), (4, 52794670), (5, 42235736), (8, 26397335), (10, 21117868), (20, 10558934), (40, 5279467), (1777, 118840), (2971, 71080), (3554, 59420), (5942, 35540), (7108, 29710), (8885, 23768), (11884, 17770), (14216, 14855)]