218762020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149837}}^1$

素因数の和:149919

約数の個数: 24

約数和(自身を含む): 465696504

約数和(自身を除く): 246934484

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 149837, 299674, 599348, 749185, 1498370, 2996740, 10938101, 21876202, 43752404, 54690505, 109381010, 218762020]

約数ペア:

[(1, 218762020), (2, 109381010), (4, 54690505), (5, 43752404), (10, 21876202), (20, 10938101), (73, 2996740), (146, 1498370), (292, 749185), (365, 599348), (730, 299674), (1460, 149837)]