2780455070

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{894037}}^1$

素因数の和:894355

約数の個数: 16

約数和(自身を含む): 5020917408

約数和(自身を除く): 2240462338

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 894037, 1788074, 4470185, 8940370, 278045507, 556091014, 1390227535, 2780455070]

約数ペア:

[(1, 2780455070), (2, 1390227535), (5, 556091014), (10, 278045507), (311, 8940370), (622, 4470185), (1555, 1788074), (3110, 894037)]