210204580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{76717}}^1$

素因数の和:76863

約数の個数: 24

約数和(自身を含む): 444657528

約数和(自身を除く): 234452948

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 76717, 153434, 306868, 383585, 767170, 1534340, 10510229, 21020458, 42040916, 52551145, 105102290, 210204580]

約数ペア:

[(1, 210204580), (2, 105102290), (4, 52551145), (5, 42040916), (10, 21020458), (20, 10510229), (137, 1534340), (274, 767170), (548, 383585), (685, 306868), (1370, 153434), (2740, 76717)]