1911040780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{43651}}^1$

素因数の和:43870

約数の個数: 48

約数和(自身を含む): 4400121600

約数和(自身を除く): 2489080820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43651, 43780, 87302, 174604, 218255, 436510, 480161, 873020, 960322, 1920644, 2400805, 4801610, 8686549, 9603220, 17373098, 34746196, 43432745, 86865490, 95552039, 173730980, 191104078, 382208156, 477760195, 955520390, 1911040780]

約数ペア:

[(1, 1911040780), (2, 955520390), (4, 477760195), (5, 382208156), (10, 191104078), (11, 173730980), (20, 95552039), (22, 86865490), (44, 43432745), (55, 34746196), (110, 17373098), (199, 9603220), (220, 8686549), (398, 4801610), (796, 2400805), (995, 1920644), (1990, 960322), (2189, 873020), (3980, 480161), (4378, 436510), (8756, 218255), (10945, 174604), (21890, 87302), (43651, 43780)]