391026140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{674183}}^1$

素因数の和:674221

約数の個数: 24

約数和(自身を含む): 849471840

約数和(自身を除く): 458445700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 674183, 1348366, 2696732, 3370915, 6741830, 13483660, 19551307, 39102614, 78205228, 97756535, 195513070, 391026140]

約数ペア:

[(1, 391026140), (2, 195513070), (4, 97756535), (5, 78205228), (10, 39102614), (20, 19551307), (29, 13483660), (58, 6741830), (116, 3370915), (145, 2696732), (290, 1348366), (580, 674183)]