31211740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222941}}^1$

素因数の和:222957

約数の個数: 24

約数和(自身を含む): 74908512

約数和(自身を除く): 43696772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222941, 445882, 891764, 1114705, 1560587, 2229410, 3121174, 4458820, 6242348, 7802935, 15605870, 31211740]

約数ペア:

[(1, 31211740), (2, 15605870), (4, 7802935), (5, 6242348), (7, 4458820), (10, 3121174), (14, 2229410), (20, 1560587), (28, 1114705), (35, 891764), (70, 445882), (140, 222941)]