661430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 1486080

約数和(自身を除く): 824650

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 859, 1718, 4295, 6013, 8590, 9449, 12026, 18898, 30065, 47245, 60130, 66143, 94490, 132286, 330715, 661430]

約数ペア:

[(1, 661430), (2, 330715), (5, 132286), (7, 94490), (10, 66143), (11, 60130), (14, 47245), (22, 30065), (35, 18898), (55, 12026), (70, 9449), (77, 8590), (110, 6013), (154, 4295), (385, 1718), (770, 859)]