390856780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673891}}^1$

素因数の和:673929

約数の個数: 24

約数和(自身を含む): 849103920

約数和(自身を除く): 458247140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 673891, 1347782, 2695564, 3369455, 6738910, 13477820, 19542839, 39085678, 78171356, 97714195, 195428390, 390856780]

約数ペア:

[(1, 390856780), (2, 195428390), (4, 97714195), (5, 78171356), (10, 39085678), (20, 19542839), (29, 13477820), (58, 6738910), (116, 3369455), (145, 2695564), (290, 1347782), (580, 673891)]