905528620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{439577}}^1$

素因数の和:439689

約数の個数: 24

約数和(自身を含む): 1920076704

約数和(自身を除く): 1014548084

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 439577, 879154, 1758308, 2197885, 4395770, 8791540, 45276431, 90552862, 181105724, 226382155, 452764310, 905528620]

約数ペア:

[(1, 905528620), (2, 452764310), (4, 226382155), (5, 181105724), (10, 90552862), (20, 45276431), (103, 8791540), (206, 4395770), (412, 2197885), (515, 1758308), (1030, 879154), (2060, 439577)]