72986060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521329}}^1$

素因数の和:521345

約数の個数: 24

約数和(自身を含む): 175166880

約数和(自身を除く): 102180820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521329, 1042658, 2085316, 2606645, 3649303, 5213290, 7298606, 10426580, 14597212, 18246515, 36493030, 72986060]

約数ペア:

[(1, 72986060), (2, 36493030), (4, 18246515), (5, 14597212), (7, 10426580), (10, 7298606), (14, 5213290), (20, 3649303), (28, 2606645), (35, 2085316), (70, 1042658), (140, 521329)]