71057980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507557}}^1$

素因数の和:507573

約数の個数: 24

約数和(自身を含む): 170539488

約数和(自身を除く): 99481508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507557, 1015114, 2030228, 2537785, 3552899, 5075570, 7105798, 10151140, 14211596, 17764495, 35528990, 71057980]

約数ペア:

[(1, 71057980), (2, 35528990), (4, 17764495), (5, 14211596), (7, 10151140), (10, 7105798), (14, 5075570), (20, 3552899), (28, 2537785), (35, 2030228), (70, 1015114), (140, 507557)]