308217080

素因数分解:

$2^3\times 5^1\times {\mathrm{7705427}}^1$

素因数の和:7705438

約数の個数: 16

約数和(自身を含む): 693488520

約数和(自身を除く): 385271440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7705427, 15410854, 30821708, 38527135, 61643416, 77054270, 154108540, 308217080]

約数ペア:

[(1, 308217080), (2, 154108540), (4, 77054270), (5, 61643416), (8, 38527135), (10, 30821708), (20, 15410854), (40, 7705427)]