9990610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20389}}^1$

素因数の和:20410

約数の個数: 24

約数和(自身を含む): 20920140

約数和(自身を除く): 10929530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20389, 40778, 101945, 142723, 203890, 285446, 713615, 999061, 1427230, 1998122, 4995305, 9990610]

約数ペア:

[(1, 9990610), (2, 4995305), (5, 1998122), (7, 1427230), (10, 999061), (14, 713615), (35, 285446), (49, 203890), (70, 142723), (98, 101945), (245, 40778), (490, 20389)]