2989700440

素因数分解:

$2^3\times 5^1\times {\mathrm{74742511}}^1$

素因数の和:74742522

約数の個数: 16

約数和(自身を含む): 6726826080

約数和(自身を除く): 3737125640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 74742511, 149485022, 298970044, 373712555, 597940088, 747425110, 1494850220, 2989700440]

約数ペア:

[(1, 2989700440), (2, 1494850220), (4, 747425110), (5, 597940088), (8, 373712555), (10, 298970044), (20, 149485022), (40, 74742511)]