1680490.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{42257}}^1$

素因数の和:42375

約数の個数: 24

約数和(自身を含む): 195231960

約数和(自身を除く): 103111700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 42257, 84514, 169028, 211285, 422570, 845140, 4606013, 9212026, 18424052, 23030065, 46060130, 92120260]

約数ペア:

[(1, 92120260), (2, 46060130), (4, 23030065), (5, 18424052), (10, 9212026), (20, 4606013), (109, 845140), (218, 422570), (436, 211285), (545, 169028), (1090, 84514), (2180, 42257)]