539552020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3853943}}^1$

素因数の和:3853959

約数の個数: 24

約数和(自身を含む): 1294925184

約数和(自身を除く): 755373164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3853943, 7707886, 15415772, 19269715, 26977601, 38539430, 53955202, 77078860, 107910404, 134888005, 269776010, 539552020]

約数ペア:

[(1, 539552020), (2, 269776010), (4, 134888005), (5, 107910404), (7, 77078860), (10, 53955202), (14, 38539430), (20, 26977601), (28, 19269715), (35, 15415772), (70, 7707886), (140, 3853943)]