2189197820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3774479}}^1$

素因数の和:3774517

約数の個数: 24

約数和(自身を含む): 4755844800

約数和(自身を除く): 2566646980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3774479, 7548958, 15097916, 18872395, 37744790, 75489580, 109459891, 218919782, 437839564, 547299455, 1094598910, 2189197820]

約数ペア:

[(1, 2189197820), (2, 1094598910), (4, 547299455), (5, 437839564), (10, 218919782), (20, 109459891), (29, 75489580), (58, 37744790), (116, 18872395), (145, 15097916), (290, 7548958), (580, 3774479)]