71217020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508693}}^1$

素因数の和:508709

約数の個数: 24

約数和(自身を含む): 170921184

約数和(自身を除く): 99704164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508693, 1017386, 2034772, 2543465, 3560851, 5086930, 7121702, 10173860, 14243404, 17804255, 35608510, 71217020]

約数ペア:

[(1, 71217020), (2, 35608510), (4, 17804255), (5, 14243404), (7, 10173860), (10, 7121702), (14, 5086930), (20, 3560851), (28, 2543465), (35, 2034772), (70, 1017386), (140, 508693)]