68708890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{77201}}^1$

素因数の和:77297

約数の個数: 16

約数和(自身を含む): 125067240

約数和(自身を除く): 56358350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 77201, 154402, 386005, 772010, 6870889, 13741778, 34354445, 68708890]

約数ペア:

[(1, 68708890), (2, 34354445), (5, 13741778), (10, 6870889), (89, 772010), (178, 386005), (445, 154402), (890, 77201)]