2138889090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{288649}}^1$

素因数の和:288691

約数の個数: 64

約数和(自身を含む): 5819184000

約数和(自身を除く): 3680294910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 288649, 577298, 865947, 1443245, 1731894, 2886490, 3752437, 4329735, 5484331, 7504874, 8659470, 10968662, 11257311, 16452993, 18762185, 22514622, 27421655, 32905986, 37524370, 54843310, 56286555, 71296303, 82264965, 112573110, 142592606, 164529930, 213888909, 356481515, 427777818, 712963030, 1069444545, 2138889090]

約数ペア:

[(1, 2138889090), (2, 1069444545), (3, 712963030), (5, 427777818), (6, 356481515), (10, 213888909), (13, 164529930), (15, 142592606), (19, 112573110), (26, 82264965), (30, 71296303), (38, 56286555), (39, 54843310), (57, 37524370), (65, 32905986), (78, 27421655), (95, 22514622), (114, 18762185), (130, 16452993), (190, 11257311), (195, 10968662), (247, 8659470), (285, 7504874), (390, 5484331), (494, 4329735), (570, 3752437), (741, 2886490), (1235, 1731894), (1482, 1443245), (2470, 865947), (3705, 577298), (7410, 288649)]