4221740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 9073680

約数和(自身を除く): 4851940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4909, 9818, 19636, 24545, 49090, 98180, 211087, 422174, 844348, 1055435, 2110870, 4221740]

約数ペア:

[(1, 4221740), (2, 2110870), (4, 1055435), (5, 844348), (10, 422174), (20, 211087), (43, 98180), (86, 49090), (172, 24545), (215, 19636), (430, 9818), (860, 4909)]