68537420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489553}}^1$

素因数の和:489569

約数の個数: 24

約数和(自身を含む): 164490144

約数和(自身を除く): 95952724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489553, 979106, 1958212, 2447765, 3426871, 4895530, 6853742, 9791060, 13707484, 17134355, 34268710, 68537420]

約数ペア:

[(1, 68537420), (2, 34268710), (4, 17134355), (5, 13707484), (7, 9791060), (10, 6853742), (14, 4895530), (20, 3426871), (28, 2447765), (35, 1958212), (70, 979106), (140, 489553)]