329762020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2355443}}^1$

素因数の和:2355459

約数の個数: 24

約数和(自身を含む): 791429184

約数和(自身を除く): 461667164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2355443, 4710886, 9421772, 11777215, 16488101, 23554430, 32976202, 47108860, 65952404, 82440505, 164881010, 329762020]

約数ペア:

[(1, 329762020), (2, 164881010), (4, 82440505), (5, 65952404), (7, 47108860), (10, 32976202), (14, 23554430), (20, 16488101), (28, 11777215), (35, 9421772), (70, 4710886), (140, 2355443)]