221250310

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{70687}}^1$

素因数の和:71007

約数の個数: 16

約数和(自身を含む): 399528576

約数和(自身を除く): 178278266

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 70687, 141374, 353435, 706870, 22125031, 44250062, 110625155, 221250310]

約数ペア:

[(1, 221250310), (2, 110625155), (5, 44250062), (10, 22125031), (313, 706870), (626, 353435), (1565, 141374), (3130, 70687)]