198065500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20887

約数の個数: 48

約数和(自身を含む): 455364000

約数和(自身を除く): 257298500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 20849, 41698, 83396, 104245, 208490, 396131, 416980, 521225, 792262, 1042450, 1584524, 1980655, 2084900, 2606125, 3961310, 5212250, 7922620, 9903275, 10424500, 19806550, 39613100, 49516375, 99032750, 198065500]

約数ペア:

[(1, 198065500), (2, 99032750), (4, 49516375), (5, 39613100), (10, 19806550), (19, 10424500), (20, 9903275), (25, 7922620), (38, 5212250), (50, 3961310), (76, 2606125), (95, 2084900), (100, 1980655), (125, 1584524), (190, 1042450), (250, 792262), (380, 521225), (475, 416980), (500, 396131), (950, 208490), (1900, 104245), (2375, 83396), (4750, 41698), (9500, 20849)]