90179740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{644141}}^1$

素因数の和:644157

約数の個数: 24

約数和(自身を含む): 216431712

約数和(自身を除く): 126251972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 644141, 1288282, 2576564, 3220705, 4508987, 6441410, 9017974, 12882820, 18035948, 22544935, 45089870, 90179740]

約数ペア:

[(1, 90179740), (2, 45089870), (4, 22544935), (5, 18035948), (7, 12882820), (10, 9017974), (14, 6441410), (20, 4508987), (28, 3220705), (35, 2576564), (70, 1288282), (140, 644141)]