404382020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2888443}}^1$

素因数の和:2888459

約数の個数: 24

約数和(自身を含む): 970517184

約数和(自身を除く): 566135164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2888443, 5776886, 11553772, 14442215, 20219101, 28884430, 40438202, 57768860, 80876404, 101095505, 202191010, 404382020]

約数ペア:

[(1, 404382020), (2, 202191010), (4, 101095505), (5, 80876404), (7, 57768860), (10, 40438202), (14, 28884430), (20, 20219101), (28, 14442215), (35, 11553772), (70, 5776886), (140, 2888443)]