204501640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{730363}}^1$

素因数の和:730381

約数の個数: 32

約数和(自身を含む): 525862080

約数和(自身を除く): 321360440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 730363, 1460726, 2921452, 3651815, 5112541, 5842904, 7303630, 10225082, 14607260, 20450164, 25562705, 29214520, 40900328, 51125410, 102250820, 204501640]

約数ペア:

[(1, 204501640), (2, 102250820), (4, 51125410), (5, 40900328), (7, 29214520), (8, 25562705), (10, 20450164), (14, 14607260), (20, 10225082), (28, 7303630), (35, 5842904), (40, 5112541), (56, 3651815), (70, 2921452), (140, 1460726), (280, 730363)]