857369780

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{84221}}^1$

素因数の和:84739

約数の個数: 24

約数和(自身を含む): 1804035240

約数和(自身を除く): 946665460

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 84221, 168442, 336884, 421105, 842210, 1684420, 42868489, 85736978, 171473956, 214342445, 428684890, 857369780]

約数ペア:

[(1, 857369780), (2, 428684890), (4, 214342445), (5, 171473956), (10, 85736978), (20, 42868489), (509, 1684420), (1018, 842210), (2036, 421105), (2545, 336884), (5090, 168442), (10180, 84221)]