7542140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 15958320

約数和(自身を除く): 8416180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2713, 2780, 5426, 10852, 13565, 27130, 54260, 377107, 754214, 1508428, 1885535, 3771070, 7542140]

約数ペア:

[(1, 7542140), (2, 3771070), (4, 1885535), (5, 1508428), (10, 754214), (20, 377107), (139, 54260), (278, 27130), (556, 13565), (695, 10852), (1390, 5426), (2713, 2780)]