251450000

素因数分解:

$2^4\times 5^5\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 627709824

約数和(自身を除く): 376259824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 107, 125, 188, 200, 214, 235, 250, 376, 400, 428, 470, 500, 535, 625, 752, 856, 940, 1000, 1070, 1175, 1250, 1712, 1880, 2000, 2140, 2350, 2500, 2675, 3125, 3760, 4280, 4700, 5000, 5029, 5350, 5875, 6250, 8560, 9400, 10000, 10058, 10700, 11750, 12500, 13375, 18800, 20116, 21400, 23500, 25000, 25145, 26750, 29375, 40232, 42800, 47000, 50000, 50290, 53500, 58750, 66875, 80464, 94000, 100580, 107000, 117500, 125725, 133750, 146875, 201160, 214000, 235000, 251450, 267500, 293750, 334375, 402320, 470000, 502900, 535000, 587500, 628625, 668750, 1005800, 1070000, 1175000, 1257250, 1337500, 2011600, 2350000, 2514500, 2675000, 3143125, 5029000, 5350000, 6286250, 10058000, 12572500, 15715625, 25145000, 31431250, 50290000, 62862500, 125725000, 251450000]

約数ペア:

[(1, 251450000), (2, 125725000), (4, 62862500), (5, 50290000), (8, 31431250), (10, 25145000), (16, 15715625), (20, 12572500), (25, 10058000), (40, 6286250), (47, 5350000), (50, 5029000), (80, 3143125), (94, 2675000), (100, 2514500), (107, 2350000), (125, 2011600), (188, 1337500), (200, 1257250), (214, 1175000), (235, 1070000), (250, 1005800), (376, 668750), (400, 628625), (428, 587500), (470, 535000), (500, 502900), (535, 470000), (625, 402320), (752, 334375), (856, 293750), (940, 267500), (1000, 251450), (1070, 235000), (1175, 214000), (1250, 201160), (1712, 146875), (1880, 133750), (2000, 125725), (2140, 117500), (2350, 107000), (2500, 100580), (2675, 94000), (3125, 80464), (3760, 66875), (4280, 58750), (4700, 53500), (5000, 50290), (5029, 50000), (5350, 47000), (5875, 42800), (6250, 40232), (8560, 29375), (9400, 26750), (10000, 25145), (10058, 25000), (10700, 23500), (11750, 21400), (12500, 20116), (13375, 18800)]