404180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2887}}^1$

素因数の和:2903

約数の個数: 24

約数和(自身を含む): 970368

約数和(自身を除く): 566188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2887, 5774, 11548, 14435, 20209, 28870, 40418, 57740, 80836, 101045, 202090, 404180]

約数ペア:

[(1, 404180), (2, 202090), (4, 101045), (5, 80836), (7, 57740), (10, 40418), (14, 28870), (20, 20209), (28, 14435), (35, 11548), (70, 5774), (140, 2887)]