28954660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206819}}^1$

素因数の和:206835

約数の個数: 24

約数和(自身を含む): 69491520

約数和(自身を除く): 40536860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206819, 413638, 827276, 1034095, 1447733, 2068190, 2895466, 4136380, 5790932, 7238665, 14477330, 28954660]

約数ペア:

[(1, 28954660), (2, 14477330), (4, 7238665), (5, 5790932), (7, 4136380), (10, 2895466), (14, 2068190), (20, 1447733), (28, 1034095), (35, 827276), (70, 413638), (140, 206819)]