31228540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223061}}^1$

素因数の和:223077

約数の個数: 24

約数和(自身を含む): 74948832

約数和(自身を除く): 43720292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223061, 446122, 892244, 1115305, 1561427, 2230610, 3122854, 4461220, 6245708, 7807135, 15614270, 31228540]

約数ペア:

[(1, 31228540), (2, 15614270), (4, 7807135), (5, 6245708), (7, 4461220), (10, 3122854), (14, 2230610), (20, 1561427), (28, 1115305), (35, 892244), (70, 446122), (140, 223061)]