2722820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 5775000

約数和(自身を除く): 3052180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1249, 2180, 2498, 4996, 6245, 12490, 24980, 136141, 272282, 544564, 680705, 1361410, 2722820]

約数ペア:

[(1, 2722820), (2, 1361410), (4, 680705), (5, 544564), (10, 272282), (20, 136141), (109, 24980), (218, 12490), (436, 6245), (545, 4996), (1090, 2498), (1249, 2180)]