30994220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11149}}^1$

素因数の和:11297

約数の個数: 24

約数和(自身を含む): 65562000

約数和(自身を除く): 34567780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 11149, 22298, 44596, 55745, 111490, 222980, 1549711, 3099422, 6198844, 7748555, 15497110, 30994220]

約数ペア:

[(1, 30994220), (2, 15497110), (4, 7748555), (5, 6198844), (10, 3099422), (20, 1549711), (139, 222980), (278, 111490), (556, 55745), (695, 44596), (1390, 22298), (2780, 11149)]