137880260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{984859}}^1$

素因数の和:984875

約数の個数: 24

約数和(自身を含む): 330912960

約数和(自身を除く): 193032700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 984859, 1969718, 3939436, 4924295, 6894013, 9848590, 13788026, 19697180, 27576052, 34470065, 68940130, 137880260]

約数ペア:

[(1, 137880260), (2, 68940130), (4, 34470065), (5, 27576052), (7, 19697180), (10, 13788026), (14, 9848590), (20, 6894013), (28, 4924295), (35, 3939436), (70, 1969718), (140, 984859)]