90111140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643651}}^1$

素因数の和:643667

約数の個数: 24

約数和(自身を含む): 216267072

約数和(自身を除く): 126155932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643651, 1287302, 2574604, 3218255, 4505557, 6436510, 9011114, 12873020, 18022228, 22527785, 45055570, 90111140]

約数ペア:

[(1, 90111140), (2, 45055570), (4, 22527785), (5, 18022228), (7, 12873020), (10, 9011114), (14, 6436510), (20, 4505557), (28, 3218255), (35, 2574604), (70, 1287302), (140, 643651)]