2018891630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4120187}}^1$

素因数の和:4120208

約数の個数: 24

約数和(自身を含む): 4227312888

約数和(自身を除く): 2208421258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4120187, 8240374, 20600935, 28841309, 41201870, 57682618, 144206545, 201889163, 288413090, 403778326, 1009445815, 2018891630]

約数ペア:

[(1, 2018891630), (2, 1009445815), (5, 403778326), (7, 288413090), (10, 201889163), (14, 144206545), (35, 57682618), (49, 41201870), (70, 28841309), (98, 20600935), (245, 8240374), (490, 4120187)]