157431740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{61981}}^1$

素因数の和:62117

約数の個数: 24

約数和(自身を含む): 333215232

約数和(自身を除く): 175783492

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 61981, 123962, 247924, 309905, 619810, 1239620, 7871587, 15743174, 31486348, 39357935, 78715870, 157431740]

約数ペア:

[(1, 157431740), (2, 78715870), (4, 39357935), (5, 31486348), (10, 15743174), (20, 7871587), (127, 1239620), (254, 619810), (508, 309905), (635, 247924), (1270, 123962), (2540, 61981)]