121505980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{47837}}^1$

素因数の和:47973

約数の個数: 24

約数和(自身を含む): 257177088

約数和(自身を除く): 135671108

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 47837, 95674, 191348, 239185, 478370, 956740, 6075299, 12150598, 24301196, 30376495, 60752990, 121505980]

約数ペア:

[(1, 121505980), (2, 60752990), (4, 30376495), (5, 24301196), (10, 12150598), (20, 6075299), (127, 956740), (254, 478370), (508, 239185), (635, 191348), (1270, 95674), (2540, 47837)]