139951490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1999307}}^1$

素因数の和:1999321

約数の個数: 16

約数和(自身を含む): 287900352

約数和(自身を除く): 147948862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1999307, 3998614, 9996535, 13995149, 19993070, 27990298, 69975745, 139951490]

約数ペア:

[(1, 139951490), (2, 69975745), (5, 27990298), (7, 19993070), (10, 13995149), (14, 9996535), (35, 3998614), (70, 1999307)]