9704980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3491}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 20532960

約数和(自身を除く): 10827980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3491, 6982, 13964, 17455, 34910, 69820, 485249, 970498, 1940996, 2426245, 4852490, 9704980]

約数ペア:

[(1, 9704980), (2, 4852490), (4, 2426245), (5, 1940996), (10, 970498), (20, 485249), (139, 69820), (278, 34910), (556, 17455), (695, 13964), (1390, 6982), (2780, 3491)]