70710220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{505073}}^1$

素因数の和:505089

約数の個数: 24

約数和(自身を含む): 169704864

約数和(自身を除く): 98994644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 505073, 1010146, 2020292, 2525365, 3535511, 5050730, 7071022, 10101460, 14142044, 17677555, 35355110, 70710220]

約数ペア:

[(1, 70710220), (2, 35355110), (4, 17677555), (5, 14142044), (7, 10101460), (10, 7071022), (14, 5050730), (20, 3535511), (28, 2525365), (35, 2020292), (70, 1010146), (140, 505073)]