2720620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19433}}^1$

素因数の和:19449

約数の個数: 24

約数和(自身を含む): 6529824

約数和(自身を除く): 3809204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19433, 38866, 77732, 97165, 136031, 194330, 272062, 388660, 544124, 680155, 1360310, 2720620]

約数ペア:

[(1, 2720620), (2, 1360310), (4, 680155), (5, 544124), (7, 388660), (10, 272062), (14, 194330), (20, 136031), (28, 97165), (35, 77732), (70, 38866), (140, 19433)]