68586140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489901}}^1$

素因数の和:489917

約数の個数: 24

約数和(自身を含む): 164607072

約数和(自身を除く): 96020932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489901, 979802, 1959604, 2449505, 3429307, 4899010, 6858614, 9798020, 13717228, 17146535, 34293070, 68586140]

約数ペア:

[(1, 68586140), (2, 34293070), (4, 17146535), (5, 13717228), (7, 9798020), (10, 6858614), (14, 4899010), (20, 3429307), (28, 2449505), (35, 1959604), (70, 979802), (140, 489901)]