7042820

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1009}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 14847000

約数和(自身を除く): 7804180

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1009, 1396, 1745, 2018, 3490, 4036, 5045, 6980, 10090, 20180, 352141, 704282, 1408564, 1760705, 3521410, 7042820]

約数ペア:

[(1, 7042820), (2, 3521410), (4, 1760705), (5, 1408564), (10, 704282), (20, 352141), (349, 20180), (698, 10090), (1009, 6980), (1396, 5045), (1745, 4036), (2018, 3490)]