2548660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 5664708

約数和(自身を除く): 3116048

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 353, 361, 380, 706, 722, 1412, 1444, 1765, 1805, 3530, 3610, 6707, 7060, 7220, 13414, 26828, 33535, 67070, 127433, 134140, 254866, 509732, 637165, 1274330, 2548660]

約数ペア:

[(1, 2548660), (2, 1274330), (4, 637165), (5, 509732), (10, 254866), (19, 134140), (20, 127433), (38, 67070), (76, 33535), (95, 26828), (190, 13414), (353, 7220), (361, 7060), (380, 6707), (706, 3610), (722, 3530), (1412, 1805), (1444, 1765)]