149777080

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7187}}^1$

素因数の和:7719

約数の個数: 32

約数和(自身を含む): 337692240

約数和(自身を除く): 187915160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 7187, 10420, 14374, 20840, 28748, 35935, 57496, 71870, 143740, 287480, 3744427, 7488854, 14977708, 18722135, 29955416, 37444270, 74888540, 149777080]

約数ペア:

[(1, 149777080), (2, 74888540), (4, 37444270), (5, 29955416), (8, 18722135), (10, 14977708), (20, 7488854), (40, 3744427), (521, 287480), (1042, 143740), (2084, 71870), (2605, 57496), (4168, 35935), (5210, 28748), (7187, 20840), (10420, 14374)]