9727220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3647

約数の個数: 24

約数和(自身を含む): 20580000

約数和(自身を除く): 10852780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3499, 6998, 13996, 17495, 34990, 69980, 486361, 972722, 1945444, 2431805, 4863610, 9727220]

約数ペア:

[(1, 9727220), (2, 4863610), (4, 2431805), (5, 1945444), (10, 972722), (20, 486361), (139, 69980), (278, 34990), (556, 17495), (695, 13996), (1390, 6998), (2780, 3499)]