1561630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3187}}^1$

素因数の和:3208

約数の個数: 24

約数和(自身を含む): 3270888

約数和(自身を除く): 1709258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3187, 6374, 15935, 22309, 31870, 44618, 111545, 156163, 223090, 312326, 780815, 1561630]

約数ペア:

[(1, 1561630), (2, 780815), (5, 312326), (7, 223090), (10, 156163), (14, 111545), (35, 44618), (49, 31870), (70, 22309), (98, 15935), (245, 6374), (490, 3187)]