219317810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{201209}}^1$

素因数の和:201325

約数の個数: 16

約数和(自身を含む): 398395800

約数和(自身を除く): 179077990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 201209, 402418, 1006045, 2012090, 21931781, 43863562, 109658905, 219317810]

約数ペア:

[(1, 219317810), (2, 109658905), (5, 43863562), (10, 21931781), (109, 2012090), (218, 1006045), (545, 402418), (1090, 201209)]