28502740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203591}}^1$

素因数の和:203607

約数の個数: 24

約数和(自身を含む): 68406912

約数和(自身を除く): 39904172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203591, 407182, 814364, 1017955, 1425137, 2035910, 2850274, 4071820, 5700548, 7125685, 14251370, 28502740]

約数ペア:

[(1, 28502740), (2, 14251370), (4, 7125685), (5, 5700548), (7, 4071820), (10, 2850274), (14, 2035910), (20, 1425137), (28, 1017955), (35, 814364), (70, 407182), (140, 203591)]