201817420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1441553}}^1$

素因数の和:1441569

約数の個数: 24

約数和(自身を含む): 484362144

約数和(自身を除く): 282544724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1441553, 2883106, 5766212, 7207765, 10090871, 14415530, 20181742, 28831060, 40363484, 50454355, 100908710, 201817420]

約数ペア:

[(1, 201817420), (2, 100908710), (4, 50454355), (5, 40363484), (7, 28831060), (10, 20181742), (14, 14415530), (20, 10090871), (28, 7207765), (35, 5766212), (70, 2883106), (140, 1441553)]