28328090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3929}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 58855680

約数和(自身を除く): 30527590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 3929, 7210, 7858, 19645, 27503, 39290, 55006, 137515, 275030, 404687, 809374, 2023435, 2832809, 4046870, 5665618, 14164045, 28328090]

約数ペア:

[(1, 28328090), (2, 14164045), (5, 5665618), (7, 4046870), (10, 2832809), (14, 2023435), (35, 809374), (70, 404687), (103, 275030), (206, 137515), (515, 55006), (721, 39290), (1030, 27503), (1442, 19645), (3605, 7858), (3929, 7210)]