203871520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 511056000

約数和(自身を除く): 307184480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 199, 304, 337, 380, 398, 608, 674, 760, 796, 995, 1348, 1520, 1592, 1685, 1990, 2696, 3040, 3184, 3370, 3781, 3980, 5392, 6368, 6403, 6740, 7562, 7960, 10784, 12806, 13480, 15124, 15920, 18905, 25612, 26960, 30248, 31840, 32015, 37810, 51224, 53920, 60496, 64030, 67063, 75620, 102448, 120992, 128060, 134126, 151240, 204896, 256120, 268252, 302480, 335315, 512240, 536504, 604960, 670630, 1024480, 1073008, 1274197, 1341260, 2146016, 2548394, 2682520, 5096788, 5365040, 6370985, 10193576, 10730080, 12741970, 20387152, 25483940, 40774304, 50967880, 101935760, 203871520]

約数ペア:

[(1, 203871520), (2, 101935760), (4, 50967880), (5, 40774304), (8, 25483940), (10, 20387152), (16, 12741970), (19, 10730080), (20, 10193576), (32, 6370985), (38, 5365040), (40, 5096788), (76, 2682520), (80, 2548394), (95, 2146016), (152, 1341260), (160, 1274197), (190, 1073008), (199, 1024480), (304, 670630), (337, 604960), (380, 536504), (398, 512240), (608, 335315), (674, 302480), (760, 268252), (796, 256120), (995, 204896), (1348, 151240), (1520, 134126), (1592, 128060), (1685, 120992), (1990, 102448), (2696, 75620), (3040, 67063), (3184, 64030), (3370, 60496), (3781, 53920), (3980, 51224), (5392, 37810), (6368, 32015), (6403, 31840), (6740, 30248), (7562, 26960), (7960, 25612), (10784, 18905), (12806, 15920), (13480, 15124)]