68815180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491537}}^1$

素因数の和:491553

約数の個数: 24

約数和(自身を含む): 165156768

約数和(自身を除く): 96341588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491537, 983074, 1966148, 2457685, 3440759, 4915370, 6881518, 9830740, 13763036, 17203795, 34407590, 68815180]

約数ペア:

[(1, 68815180), (2, 34407590), (4, 17203795), (5, 13763036), (7, 9830740), (10, 6881518), (14, 4915370), (20, 3440759), (28, 2457685), (35, 1966148), (70, 983074), (140, 491537)]