289294820

素因数分解:

$2^2\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{7129}}^1$

素因数の和:9167

約数の個数: 24

約数和(自身を含む): 607903800

約数和(自身を除く): 318608980

約数列:

[1, 2, 4, 5, 10, 20, 2029, 4058, 7129, 8116, 10145, 14258, 20290, 28516, 35645, 40580, 71290, 142580, 14464741, 28929482, 57858964, 72323705, 144647410, 289294820]

約数ペア:

[(1, 289294820), (2, 144647410), (4, 72323705), (5, 57858964), (10, 28929482), (20, 14464741), (2029, 142580), (4058, 71290), (7129, 40580), (8116, 35645), (10145, 28516), (14258, 20290)]