284505820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{194867}}^1$

素因数の和:194949

約数の個数: 24

約数和(自身を含む): 605649744

約数和(自身を除く): 321143924

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 194867, 389734, 779468, 974335, 1948670, 3897340, 14225291, 28450582, 56901164, 71126455, 142252910, 284505820]

約数ペア:

[(1, 284505820), (2, 142252910), (4, 71126455), (5, 56901164), (10, 28450582), (20, 14225291), (73, 3897340), (146, 1948670), (292, 974335), (365, 779468), (730, 389734), (1460, 194867)]