210320495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{78041}}^1$

素因数の和:78071

約数の個数: 24

約数和(自身を含む): 320284368

約数和(自身を除く): 109963873

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 78041, 390205, 546287, 858451, 2731435, 3824009, 4292255, 6009157, 19120045, 30045785, 42064099, 210320495]

約数ペア:

[(1, 210320495), (5, 42064099), (7, 30045785), (11, 19120045), (35, 6009157), (49, 4292255), (55, 3824009), (77, 2731435), (245, 858451), (385, 546287), (539, 390205), (2695, 78041)]