852193780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{990923}}^1$

素因数の和:990975

約数の個数: 24

約数和(自身を含む): 1831227552

約数和(自身を除く): 979033772

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 990923, 1981846, 3963692, 4954615, 9909230, 19818460, 42609689, 85219378, 170438756, 213048445, 426096890, 852193780]

約数ペア:

[(1, 852193780), (2, 426096890), (4, 213048445), (5, 170438756), (10, 85219378), (20, 42609689), (43, 19818460), (86, 9909230), (172, 4954615), (215, 3963692), (430, 1981846), (860, 990923)]