39446890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8022

約数の個数: 32

約数和(自身を含む): 82301184

約数和(自身を除く): 42854294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 7937, 15874, 39685, 55559, 79370, 111118, 277795, 555590, 563527, 1127054, 2817635, 3944689, 5635270, 7889378, 19723445, 39446890]

約数ペア:

[(1, 39446890), (2, 19723445), (5, 7889378), (7, 5635270), (10, 3944689), (14, 2817635), (35, 1127054), (70, 563527), (71, 555590), (142, 277795), (355, 111118), (497, 79370), (710, 55559), (994, 39685), (2485, 15874), (4970, 7937)]