149942740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{182857}}^1$

素因数の和:182907

約数の個数: 24

約数和(自身を含む): 322561512

約数和(自身を除く): 172618772

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 182857, 365714, 731428, 914285, 1828570, 3657140, 7497137, 14994274, 29988548, 37485685, 74971370, 149942740]

約数ペア:

[(1, 149942740), (2, 74971370), (4, 37485685), (5, 29988548), (10, 14994274), (20, 7497137), (41, 3657140), (82, 1828570), (164, 914285), (205, 731428), (410, 365714), (820, 182857)]