68919340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{492281}}^1$

素因数の和:492297

約数の個数: 24

約数和(自身を含む): 165406752

約数和(自身を除く): 96487412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 492281, 984562, 1969124, 2461405, 3445967, 4922810, 6891934, 9845620, 13783868, 17229835, 34459670, 68919340]

約数ペア:

[(1, 68919340), (2, 34459670), (4, 17229835), (5, 13783868), (7, 9845620), (10, 6891934), (14, 4922810), (20, 3445967), (28, 2461405), (35, 1969124), (70, 984562), (140, 492281)]