2646340

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 5588352

約数和(自身を除く): 2942012

約数列:

[1, 2, 4, 5, 10, 20, 307, 431, 614, 862, 1228, 1535, 1724, 2155, 3070, 4310, 6140, 8620, 132317, 264634, 529268, 661585, 1323170, 2646340]

約数ペア:

[(1, 2646340), (2, 1323170), (4, 661585), (5, 529268), (10, 264634), (20, 132317), (307, 8620), (431, 6140), (614, 4310), (862, 3070), (1228, 2155), (1535, 1724)]