279792380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1998517}}^1$

素因数の和:1998533

約数の個数: 24

約数和(自身を含む): 671502048

約数和(自身を除く): 391709668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1998517, 3997034, 7994068, 9992585, 13989619, 19985170, 27979238, 39970340, 55958476, 69948095, 139896190, 279792380]

約数ペア:

[(1, 279792380), (2, 139896190), (4, 69948095), (5, 55958476), (7, 39970340), (10, 27979238), (14, 19985170), (20, 13989619), (28, 9992585), (35, 7994068), (70, 3997034), (140, 1998517)]