28240660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28817}}^1$

素因数の和:28840

約数の個数: 36

約数和(自身を含む): 68990292

約数和(自身を除く): 40749632

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28817, 57634, 115268, 144085, 201719, 288170, 403438, 576340, 806876, 1008595, 1412033, 2017190, 2824066, 4034380, 5648132, 7060165, 14120330, 28240660]

約数ペア:

[(1, 28240660), (2, 14120330), (4, 7060165), (5, 5648132), (7, 4034380), (10, 2824066), (14, 2017190), (20, 1412033), (28, 1008595), (35, 806876), (49, 576340), (70, 403438), (98, 288170), (140, 201719), (196, 144085), (245, 115268), (490, 57634), (980, 28817)]