70731620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49811}}^1$

素因数の和:49891

約数の個数: 24

約数和(自身を含む): 150631488

約数和(自身を除く): 79899868

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 49811, 99622, 199244, 249055, 498110, 996220, 3536581, 7073162, 14146324, 17682905, 35365810, 70731620]

約数ペア:

[(1, 70731620), (2, 35365810), (4, 17682905), (5, 14146324), (10, 7073162), (20, 3536581), (71, 996220), (142, 498110), (284, 249055), (355, 199244), (710, 99622), (1420, 49811)]