256610250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 774079488

約数和(自身を除く): 517469238

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 125, 130, 150, 155, 186, 195, 225, 234, 250, 279, 283, 310, 325, 375, 390, 403, 450, 465, 558, 566, 585, 650, 750, 775, 806, 849, 930, 975, 1125, 1170, 1209, 1395, 1415, 1550, 1625, 1698, 1950, 2015, 2250, 2325, 2418, 2547, 2790, 2830, 2925, 3250, 3627, 3679, 3875, 4030, 4245, 4650, 4875, 5094, 5850, 6045, 6975, 7075, 7254, 7358, 7750, 8490, 8773, 9750, 10075, 11037, 11625, 12090, 12735, 13950, 14150, 14625, 17546, 18135, 18395, 20150, 21225, 22074, 23250, 25470, 26319, 29250, 30225, 33111, 34875, 35375, 36270, 36790, 42450, 43865, 50375, 52638, 55185, 60450, 63675, 66222, 69750, 70750, 78957, 87730, 90675, 91975, 100750, 106125, 110370, 114049, 127350, 131595, 151125, 157914, 165555, 181350, 183950, 212250, 219325, 228098, 263190, 275925, 302250, 318375, 331110, 342147, 394785, 438650, 453375, 459875, 551850, 570245, 636750, 657975, 684294, 789570, 827775, 906750, 919750, 1026441, 1096625, 1140490, 1315950, 1379625, 1655550, 1710735, 1973925, 2052882, 2193250, 2759250, 2851225, 3289875, 3421470, 3947850, 4138875, 5132205, 5702450, 6579750, 8277750, 8553675, 9869625, 10264410, 14256125, 17107350, 19739250, 25661025, 28512250, 42768375, 51322050, 85536750, 128305125, 256610250]

約数ペア:

[(1, 256610250), (2, 128305125), (3, 85536750), (5, 51322050), (6, 42768375), (9, 28512250), (10, 25661025), (13, 19739250), (15, 17107350), (18, 14256125), (25, 10264410), (26, 9869625), (30, 8553675), (31, 8277750), (39, 6579750), (45, 5702450), (50, 5132205), (62, 4138875), (65, 3947850), (75, 3421470), (78, 3289875), (90, 2851225), (93, 2759250), (117, 2193250), (125, 2052882), (130, 1973925), (150, 1710735), (155, 1655550), (186, 1379625), (195, 1315950), (225, 1140490), (234, 1096625), (250, 1026441), (279, 919750), (283, 906750), (310, 827775), (325, 789570), (375, 684294), (390, 657975), (403, 636750), (450, 570245), (465, 551850), (558, 459875), (566, 453375), (585, 438650), (650, 394785), (750, 342147), (775, 331110), (806, 318375), (849, 302250), (930, 275925), (975, 263190), (1125, 228098), (1170, 219325), (1209, 212250), (1395, 183950), (1415, 181350), (1550, 165555), (1625, 157914), (1698, 151125), (1950, 131595), (2015, 127350), (2250, 114049), (2325, 110370), (2418, 106125), (2547, 100750), (2790, 91975), (2830, 90675), (2925, 87730), (3250, 78957), (3627, 70750), (3679, 69750), (3875, 66222), (4030, 63675), (4245, 60450), (4650, 55185), (4875, 52638), (5094, 50375), (5850, 43865), (6045, 42450), (6975, 36790), (7075, 36270), (7254, 35375), (7358, 34875), (7750, 33111), (8490, 30225), (8773, 29250), (9750, 26319), (10075, 25470), (11037, 23250), (11625, 22074), (12090, 21225), (12735, 20150), (13950, 18395), (14150, 18135), (14625, 17546)]