28718620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205133}}^1$

素因数の和:205149

約数の個数: 24

約数和(自身を含む): 68925024

約数和(自身を除く): 40206404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205133, 410266, 820532, 1025665, 1435931, 2051330, 2871862, 4102660, 5743724, 7179655, 14359310, 28718620]

約数ペア:

[(1, 28718620), (2, 14359310), (4, 7179655), (5, 5743724), (7, 4102660), (10, 2871862), (14, 2051330), (20, 1435931), (28, 1025665), (35, 820532), (70, 410266), (140, 205133)]