857560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 2106000

約数和(自身を除く): 1248440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1949, 3898, 7796, 9745, 15592, 19490, 21439, 38980, 42878, 77960, 85756, 107195, 171512, 214390, 428780, 857560]

約数ペア:

[(1, 857560), (2, 428780), (4, 214390), (5, 171512), (8, 107195), (10, 85756), (11, 77960), (20, 42878), (22, 38980), (40, 21439), (44, 19490), (55, 15592), (88, 9745), (110, 7796), (220, 3898), (440, 1949)]