54724460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390889}}^1$

素因数の和:390905

約数の個数: 24

約数和(自身を含む): 131339040

約数和(自身を除く): 76614580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390889, 781778, 1563556, 1954445, 2736223, 3908890, 5472446, 7817780, 10944892, 13681115, 27362230, 54724460]

約数ペア:

[(1, 54724460), (2, 27362230), (4, 13681115), (5, 10944892), (7, 7817780), (10, 5472446), (14, 3908890), (20, 2736223), (28, 1954445), (35, 1563556), (70, 781778), (140, 390889)]