28474180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203387}}^1$

素因数の和:203403

約数の個数: 24

約数和(自身を含む): 68338368

約数和(自身を除く): 39864188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203387, 406774, 813548, 1016935, 1423709, 2033870, 2847418, 4067740, 5694836, 7118545, 14237090, 28474180]

約数ペア:

[(1, 28474180), (2, 14237090), (4, 7118545), (5, 5694836), (7, 4067740), (10, 2847418), (14, 2033870), (20, 1423709), (28, 1016935), (35, 813548), (70, 406774), (140, 203387)]