28091210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57329}}^1$

素因数の和:57350

約数の個数: 24

約数和(自身を含む): 58820580

約数和(自身を除く): 30729370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57329, 114658, 286645, 401303, 573290, 802606, 2006515, 2809121, 4013030, 5618242, 14045605, 28091210]

約数ペア:

[(1, 28091210), (2, 14045605), (5, 5618242), (7, 4013030), (10, 2809121), (14, 2006515), (35, 802606), (49, 573290), (70, 401303), (98, 286645), (245, 114658), (490, 57329)]