19975900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28537}}^1$

素因数の和:28558

約数の個数: 36

約数和(自身を含む): 49541968

約数和(自身を除く): 29566068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28537, 57074, 114148, 142685, 199759, 285370, 399518, 570740, 713425, 799036, 998795, 1426850, 1997590, 2853700, 3995180, 4993975, 9987950, 19975900]

約数ペア:

[(1, 19975900), (2, 9987950), (4, 4993975), (5, 3995180), (7, 2853700), (10, 1997590), (14, 1426850), (20, 998795), (25, 799036), (28, 713425), (35, 570740), (50, 399518), (70, 285370), (100, 199759), (140, 142685), (175, 114148), (350, 57074), (700, 28537)]