55257700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 127769600

約数和(自身を除く): 72511900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 127, 190, 229, 254, 380, 458, 475, 508, 635, 916, 950, 1145, 1270, 1900, 2290, 2413, 2540, 3175, 4351, 4580, 4826, 5725, 6350, 8702, 9652, 11450, 12065, 12700, 17404, 21755, 22900, 24130, 29083, 43510, 48260, 58166, 60325, 87020, 108775, 116332, 120650, 145415, 217550, 241300, 290830, 435100, 552577, 581660, 727075, 1105154, 1454150, 2210308, 2762885, 2908300, 5525770, 11051540, 13814425, 27628850, 55257700]

約数ペア:

[(1, 55257700), (2, 27628850), (4, 13814425), (5, 11051540), (10, 5525770), (19, 2908300), (20, 2762885), (25, 2210308), (38, 1454150), (50, 1105154), (76, 727075), (95, 581660), (100, 552577), (127, 435100), (190, 290830), (229, 241300), (254, 217550), (380, 145415), (458, 120650), (475, 116332), (508, 108775), (635, 87020), (916, 60325), (950, 58166), (1145, 48260), (1270, 43510), (1900, 29083), (2290, 24130), (2413, 22900), (2540, 21755), (3175, 17404), (4351, 12700), (4580, 12065), (4826, 11450), (5725, 9652), (6350, 8702)]