1280170

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 2317320

約数和(自身を除く): 1037150

約数列:

[1, 2, 5, 10, 313, 409, 626, 818, 1565, 2045, 3130, 4090, 128017, 256034, 640085, 1280170]

約数ペア:

[(1, 1280170), (2, 640085), (5, 256034), (10, 128017), (313, 4090), (409, 3130), (626, 2045), (818, 1565)]