211054270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{430723}}^1$

素因数の和:430744

約数の個数: 24

約数和(自身を含む): 441922824

約数和(自身を除く): 230868554

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 430723, 861446, 2153615, 3015061, 4307230, 6030122, 15075305, 21105427, 30150610, 42210854, 105527135, 211054270]

約数ペア:

[(1, 211054270), (2, 105527135), (5, 42210854), (7, 30150610), (10, 21105427), (14, 15075305), (35, 6030122), (49, 4307230), (70, 3015061), (98, 2153615), (245, 861446), (490, 430723)]