68628140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{490201}}^1$

素因数の和:490217

約数の個数: 24

約数和(自身を含む): 164707872

約数和(自身を除く): 96079732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 490201, 980402, 1960804, 2451005, 3431407, 4902010, 6862814, 9804020, 13725628, 17157035, 34314070, 68628140]

約数ペア:

[(1, 68628140), (2, 34314070), (4, 17157035), (5, 13725628), (7, 9804020), (10, 6862814), (14, 4902010), (20, 3431407), (28, 2451005), (35, 1960804), (70, 980402), (140, 490201)]