419941870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{2137}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 775529568

約数和(自身を除く): 355587698

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 457, 914, 2137, 2285, 4274, 4570, 10685, 19651, 21370, 39302, 91891, 98255, 183782, 196510, 459455, 918910, 976609, 1953218, 4883045, 9766090, 41994187, 83988374, 209970935, 419941870]

約数ペア:

[(1, 419941870), (2, 209970935), (5, 83988374), (10, 41994187), (43, 9766090), (86, 4883045), (215, 1953218), (430, 976609), (457, 918910), (914, 459455), (2137, 196510), (2285, 183782), (4274, 98255), (4570, 91891), (10685, 39302), (19651, 21370)]