280381808

素因数分解:

$2^4\times 7^1\times {\mathrm{2503409}}^1$

素因数の和:2503424

約数の個数: 20

約数和(自身を含む): 620845680

約数和(自身を除く): 340463872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2503409, 5006818, 10013636, 17523863, 20027272, 35047726, 40054544, 70095452, 140190904, 280381808]

約数ペア:

[(1, 280381808), (2, 140190904), (4, 70095452), (7, 40054544), (8, 35047726), (14, 20027272), (16, 17523863), (28, 10013636), (56, 5006818), (112, 2503409)]