9887780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70627}}^1$

素因数の和:70643

約数の個数: 24

約数和(自身を含む): 23731008

約数和(自身を除く): 13843228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70627, 141254, 282508, 353135, 494389, 706270, 988778, 1412540, 1977556, 2471945, 4943890, 9887780]

約数ペア:

[(1, 9887780), (2, 4943890), (4, 2471945), (5, 1977556), (7, 1412540), (10, 988778), (14, 706270), (20, 494389), (28, 353135), (35, 282508), (70, 141254), (140, 70627)]