760820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 1617000

約数和(自身を除く): 856180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 349, 436, 545, 698, 1090, 1396, 1745, 2180, 3490, 6980, 38041, 76082, 152164, 190205, 380410, 760820]

約数ペア:

[(1, 760820), (2, 380410), (4, 190205), (5, 152164), (10, 76082), (20, 38041), (109, 6980), (218, 3490), (349, 2180), (436, 1745), (545, 1396), (698, 1090)]