51128700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 171489024

約数和(自身を除く): 120360324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 210, 251, 291, 300, 350, 388, 420, 485, 502, 525, 582, 679, 700, 753, 970, 1004, 1050, 1164, 1255, 1358, 1455, 1506, 1757, 1940, 2037, 2100, 2425, 2510, 2716, 2910, 3012, 3395, 3514, 3765, 4074, 4850, 5020, 5271, 5820, 6275, 6790, 7028, 7275, 7530, 8148, 8785, 9700, 10185, 10542, 12550, 13580, 14550, 15060, 16975, 17570, 18825, 20370, 21084, 24347, 25100, 26355, 29100, 33950, 35140, 37650, 40740, 43925, 48694, 50925, 52710, 67900, 73041, 75300, 87850, 97388, 101850, 105420, 121735, 131775, 146082, 170429, 175700, 203700, 243470, 263550, 292164, 340858, 365205, 486940, 511287, 527100, 608675, 681716, 730410, 852145, 1022574, 1217350, 1460820, 1704290, 1826025, 2045148, 2434700, 2556435, 3408580, 3652050, 4260725, 5112870, 7304100, 8521450, 10225740, 12782175, 17042900, 25564350, 51128700]

約数ペア:

[(1, 51128700), (2, 25564350), (3, 17042900), (4, 12782175), (5, 10225740), (6, 8521450), (7, 7304100), (10, 5112870), (12, 4260725), (14, 3652050), (15, 3408580), (20, 2556435), (21, 2434700), (25, 2045148), (28, 1826025), (30, 1704290), (35, 1460820), (42, 1217350), (50, 1022574), (60, 852145), (70, 730410), (75, 681716), (84, 608675), (97, 527100), (100, 511287), (105, 486940), (140, 365205), (150, 340858), (175, 292164), (194, 263550), (210, 243470), (251, 203700), (291, 175700), (300, 170429), (350, 146082), (388, 131775), (420, 121735), (485, 105420), (502, 101850), (525, 97388), (582, 87850), (679, 75300), (700, 73041), (753, 67900), (970, 52710), (1004, 50925), (1050, 48694), (1164, 43925), (1255, 40740), (1358, 37650), (1455, 35140), (1506, 33950), (1757, 29100), (1940, 26355), (2037, 25100), (2100, 24347), (2425, 21084), (2510, 20370), (2716, 18825), (2910, 17570), (3012, 16975), (3395, 15060), (3514, 14550), (3765, 13580), (4074, 12550), (4850, 10542), (5020, 10185), (5271, 9700), (5820, 8785), (6275, 8148), (6790, 7530), (7028, 7275)]