42946000

素因数分解:

$2^4\times 5^3\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 105328080

約数和(自身を除く): 62382080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 197, 200, 218, 250, 394, 400, 436, 500, 545, 788, 872, 985, 1000, 1090, 1576, 1744, 1970, 2000, 2180, 2725, 3152, 3940, 4360, 4925, 5450, 7880, 8720, 9850, 10900, 13625, 15760, 19700, 21473, 21800, 24625, 27250, 39400, 42946, 43600, 49250, 54500, 78800, 85892, 98500, 107365, 109000, 171784, 197000, 214730, 218000, 343568, 394000, 429460, 536825, 858920, 1073650, 1717840, 2147300, 2684125, 4294600, 5368250, 8589200, 10736500, 21473000, 42946000]

約数ペア:

[(1, 42946000), (2, 21473000), (4, 10736500), (5, 8589200), (8, 5368250), (10, 4294600), (16, 2684125), (20, 2147300), (25, 1717840), (40, 1073650), (50, 858920), (80, 536825), (100, 429460), (109, 394000), (125, 343568), (197, 218000), (200, 214730), (218, 197000), (250, 171784), (394, 109000), (400, 107365), (436, 98500), (500, 85892), (545, 78800), (788, 54500), (872, 49250), (985, 43600), (1000, 42946), (1090, 39400), (1576, 27250), (1744, 24625), (1970, 21800), (2000, 21473), (2180, 19700), (2725, 15760), (3152, 13625), (3940, 10900), (4360, 9850), (4925, 8720), (5450, 7880)]