28675700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2216

約数の個数: 36

約数和(自身を含む): 62704320

約数和(自身を除く): 34028620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2063, 2780, 3475, 4126, 6950, 8252, 10315, 13900, 20630, 41260, 51575, 103150, 206300, 286757, 573514, 1147028, 1433785, 2867570, 5735140, 7168925, 14337850, 28675700]

約数ペア:

[(1, 28675700), (2, 14337850), (4, 7168925), (5, 5735140), (10, 2867570), (20, 1433785), (25, 1147028), (50, 573514), (100, 286757), (139, 206300), (278, 103150), (556, 51575), (695, 41260), (1390, 20630), (2063, 13900), (2780, 10315), (3475, 8252), (4126, 6950)]