216966740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{56209}}^1$

素因数の和:56411

約数の個数: 24

約数和(自身を含む): 457999080

約数和(自身を除く): 241032340

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 56209, 112418, 224836, 281045, 562090, 1124180, 10848337, 21696674, 43393348, 54241685, 108483370, 216966740]

約数ペア:

[(1, 216966740), (2, 108483370), (4, 54241685), (5, 43393348), (10, 21696674), (20, 10848337), (193, 1124180), (386, 562090), (772, 281045), (965, 224836), (1930, 112418), (3860, 56209)]