31281740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223441}}^1$

素因数の和:223457

約数の個数: 24

約数和(自身を含む): 75076512

約数和(自身を除く): 43794772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223441, 446882, 893764, 1117205, 1564087, 2234410, 3128174, 4468820, 6256348, 7820435, 15640870, 31281740]

約数ペア:

[(1, 31281740), (2, 15640870), (4, 7820435), (5, 6256348), (7, 4468820), (10, 3128174), (14, 2234410), (20, 1564087), (28, 1117205), (35, 893764), (70, 446882), (140, 223441)]