392420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2803}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 942144

約数和(自身を除く): 549724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2803, 5606, 11212, 14015, 19621, 28030, 39242, 56060, 78484, 98105, 196210, 392420]

約数ペア:

[(1, 392420), (2, 196210), (4, 98105), (5, 78484), (7, 56060), (10, 39242), (14, 28030), (20, 19621), (28, 14015), (35, 11212), (70, 5606), (140, 2803)]