219981310

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{25609}}^1$

素因数の和:26475

約数の個数: 16

約数和(自身を含む): 396442800

約数和(自身を除く): 176461490

約数列:

[1, 2, 5, 10, 859, 1718, 4295, 8590, 25609, 51218, 128045, 256090, 21998131, 43996262, 109990655, 219981310]

約数ペア:

[(1, 219981310), (2, 109990655), (5, 43996262), (10, 21998131), (859, 256090), (1718, 128045), (4295, 51218), (8590, 25609)]