998297090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2037341}}^1$

素因数の和:2037362

約数の個数: 24

約数和(自身を含む): 2090312892

約数和(自身を除く): 1092015802

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2037341, 4074682, 10186705, 14261387, 20373410, 28522774, 71306935, 99829709, 142613870, 199659418, 499148545, 998297090]

約数ペア:

[(1, 998297090), (2, 499148545), (5, 199659418), (7, 142613870), (10, 99829709), (14, 71306935), (35, 28522774), (49, 20373410), (70, 14261387), (98, 10186705), (245, 4074682), (490, 2037341)]