157439740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56633}}^1$

素因数の和:56781

約数の個数: 24

約数和(自身を含む): 333007920

約数和(自身を除く): 175568180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 56633, 113266, 226532, 283165, 566330, 1132660, 7871987, 15743974, 31487948, 39359935, 78719870, 157439740]

約数ペア:

[(1, 157439740), (2, 78719870), (4, 39359935), (5, 31487948), (10, 15743974), (20, 7871987), (139, 1132660), (278, 566330), (556, 283165), (695, 226532), (1390, 113266), (2780, 56633)]