1999512260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{729749}}^1$

素因数の和:729895

約数の個数: 24

約数和(自身を含む): 4229631000

約数和(自身を除く): 2230118740

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 729749, 1459498, 2918996, 3648745, 7297490, 14594980, 99975613, 199951226, 399902452, 499878065, 999756130, 1999512260]

約数ペア:

[(1, 1999512260), (2, 999756130), (4, 499878065), (5, 399902452), (10, 199951226), (20, 99975613), (137, 14594980), (274, 7297490), (548, 3648745), (685, 2918996), (1370, 1459498), (2740, 729749)]