201680990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{6563}}^1$

素因数の和:7016

約数の個数: 32

約数和(自身を含む): 415895040

約数和(自身を除く): 214214050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2195, 3073, 4390, 6146, 6563, 13126, 15365, 30730, 32815, 45941, 65630, 91882, 229705, 459410, 2881157, 5762314, 14405785, 20168099, 28811570, 40336198, 100840495, 201680990]

約数ペア:

[(1, 201680990), (2, 100840495), (5, 40336198), (7, 28811570), (10, 20168099), (14, 14405785), (35, 5762314), (70, 2881157), (439, 459410), (878, 229705), (2195, 91882), (3073, 65630), (4390, 45941), (6146, 32815), (6563, 30730), (13126, 15365)]