12700310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{25919}}^1$

素因数の和:25940

約数の個数: 24

約数和(自身を含む): 26593920

約数和(自身を除く): 13893610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 25919, 51838, 129595, 181433, 259190, 362866, 907165, 1270031, 1814330, 2540062, 6350155, 12700310]

約数ペア:

[(1, 12700310), (2, 6350155), (5, 2540062), (7, 1814330), (10, 1270031), (14, 907165), (35, 362866), (49, 259190), (70, 181433), (98, 129595), (245, 51838), (490, 25919)]