90150220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{10039}}^1$

素因数の和:10497

約数の個数: 24

約数和(自身を含む): 189756000

約数和(自身を除く): 99605780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 10039, 20078, 40156, 50195, 100390, 200780, 4507511, 9015022, 18030044, 22537555, 45075110, 90150220]

約数ペア:

[(1, 90150220), (2, 45075110), (4, 22537555), (5, 18030044), (10, 9015022), (20, 4507511), (449, 200780), (898, 100390), (1796, 50195), (2245, 40156), (4490, 20078), (8980, 10039)]