28964180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206887}}^1$

素因数の和:206903

約数の個数: 24

約数和(自身を含む): 69514368

約数和(自身を除く): 40550188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206887, 413774, 827548, 1034435, 1448209, 2068870, 2896418, 4137740, 5792836, 7241045, 14482090, 28964180]

約数ペア:

[(1, 28964180), (2, 14482090), (4, 7241045), (5, 5792836), (7, 4137740), (10, 2896418), (14, 2068870), (20, 1448209), (28, 1034435), (35, 827548), (70, 413774), (140, 206887)]