90677020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647693}}^1$

素因数の和:647709

約数の個数: 24

約数和(自身を含む): 217625184

約数和(自身を除く): 126948164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647693, 1295386, 2590772, 3238465, 4533851, 6476930, 9067702, 12953860, 18135404, 22669255, 45338510, 90677020]

約数ペア:

[(1, 90677020), (2, 45338510), (4, 22669255), (5, 18135404), (7, 12953860), (10, 9067702), (14, 6476930), (20, 4533851), (28, 3238465), (35, 2590772), (70, 1295386), (140, 647693)]