306875380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2191967}}^1$

素因数の和:2191983

約数の個数: 24

約数和(自身を含む): 736501248

約数和(自身を除く): 429625868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2191967, 4383934, 8767868, 10959835, 15343769, 21919670, 30687538, 43839340, 61375076, 76718845, 153437690, 306875380]

約数ペア:

[(1, 306875380), (2, 153437690), (4, 76718845), (5, 61375076), (7, 43839340), (10, 30687538), (14, 21919670), (20, 15343769), (28, 10959835), (35, 8767868), (70, 4383934), (140, 2191967)]