243256720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434387}}^1$

素因数の和:434407

約数の個数: 40

約数和(自身を含む): 646369344

約数和(自身を除く): 403112624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434387, 868774, 1737548, 2171935, 3040709, 3475096, 4343870, 6081418, 6950192, 8687740, 12162836, 15203545, 17375480, 24325672, 30407090, 34750960, 48651344, 60814180, 121628360, 243256720]

約数ペア:

[(1, 243256720), (2, 121628360), (4, 60814180), (5, 48651344), (7, 34750960), (8, 30407090), (10, 24325672), (14, 17375480), (16, 15203545), (20, 12162836), (28, 8687740), (35, 6950192), (40, 6081418), (56, 4343870), (70, 3475096), (80, 3040709), (112, 2171935), (140, 1737548), (280, 868774), (560, 434387)]