769540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 1635480

約数和(自身を除く): 865940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 353, 436, 545, 706, 1090, 1412, 1765, 2180, 3530, 7060, 38477, 76954, 153908, 192385, 384770, 769540]

約数ペア:

[(1, 769540), (2, 384770), (4, 192385), (5, 153908), (10, 76954), (20, 38477), (109, 7060), (218, 3530), (353, 2180), (436, 1765), (545, 1412), (706, 1090)]