308551460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2203939}}^1$

素因数の和:2203955

約数の個数: 24

約数和(自身を含む): 740523840

約数和(自身を除く): 431972380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2203939, 4407878, 8815756, 11019695, 15427573, 22039390, 30855146, 44078780, 61710292, 77137865, 154275730, 308551460]

約数ペア:

[(1, 308551460), (2, 154275730), (4, 77137865), (5, 61710292), (7, 44078780), (10, 30855146), (14, 22039390), (20, 15427573), (28, 11019695), (35, 8815756), (70, 4407878), (140, 2203939)]