313625560

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{73277}}^1$

素因数の和:73395

約数の個数: 32

約数和(自身を含む): 712262160

約数和(自身を除く): 398636600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 73277, 146554, 293108, 366385, 586216, 732770, 1465540, 2931080, 7840639, 15681278, 31362556, 39203195, 62725112, 78406390, 156812780, 313625560]

約数ペア:

[(1, 313625560), (2, 156812780), (4, 78406390), (5, 62725112), (8, 39203195), (10, 31362556), (20, 15681278), (40, 7840639), (107, 2931080), (214, 1465540), (428, 732770), (535, 586216), (856, 366385), (1070, 293108), (2140, 146554), (4280, 73277)]