28788620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205633}}^1$

素因数の和:205649

約数の個数: 24

約数和(自身を含む): 69093024

約数和(自身を除く): 40304404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205633, 411266, 822532, 1028165, 1439431, 2056330, 2878862, 4112660, 5757724, 7197155, 14394310, 28788620]

約数ペア:

[(1, 28788620), (2, 14394310), (4, 7197155), (5, 5757724), (7, 4112660), (10, 2878862), (14, 2056330), (20, 1439431), (28, 1028165), (35, 822532), (70, 411266), (140, 205633)]