68511380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489367}}^1$

素因数の和:489383

約数の個数: 24

約数和(自身を含む): 164427648

約数和(自身を除く): 95916268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489367, 978734, 1957468, 2446835, 3425569, 4893670, 6851138, 9787340, 13702276, 17127845, 34255690, 68511380]

約数ペア:

[(1, 68511380), (2, 34255690), (4, 17127845), (5, 13702276), (7, 9787340), (10, 6851138), (14, 4893670), (20, 3425569), (28, 2446835), (35, 1957468), (70, 978734), (140, 489367)]