256995200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 288

約数和(自身を含む): 811053000

約数和(自身を除く): 554057800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 64, 70, 77, 80, 88, 98, 100, 110, 112, 128, 140, 149, 154, 160, 175, 176, 196, 200, 220, 224, 245, 275, 280, 298, 308, 320, 350, 352, 385, 392, 400, 440, 448, 490, 539, 550, 560, 596, 616, 640, 700, 704, 745, 770, 784, 800, 880, 896, 980, 1043, 1078, 1100, 1120, 1192, 1225, 1232, 1400, 1408, 1490, 1540, 1568, 1600, 1639, 1760, 1925, 1960, 2086, 2156, 2200, 2240, 2384, 2450, 2464, 2695, 2800, 2980, 3080, 3136, 3200, 3278, 3520, 3725, 3850, 3920, 4172, 4312, 4400, 4480, 4768, 4900, 4928, 5215, 5390, 5600, 5960, 6160, 6272, 6556, 7040, 7301, 7450, 7700, 7840, 8195, 8344, 8624, 8800, 9536, 9800, 9856, 10430, 10780, 11200, 11473, 11920, 12320, 13112, 13475, 14602, 14900, 15400, 15680, 16390, 16688, 17248, 17600, 19072, 19600, 20860, 21560, 22400, 22946, 23840, 24640, 26075, 26224, 26950, 29204, 29800, 30800, 31360, 32780, 33376, 34496, 35200, 36505, 39200, 40975, 41720, 43120, 45892, 47680, 49280, 52150, 52448, 53900, 57365, 58408, 59600, 61600, 65560, 66752, 68992, 73010, 78400, 80311, 81950, 83440, 86240, 91784, 95360, 104300, 104896, 107800, 114730, 116816, 119200, 123200, 131120, 133504, 146020, 156800, 160622, 163900, 166880, 172480, 182525, 183568, 208600, 209792, 215600, 229460, 233632, 238400, 246400, 262240, 286825, 292040, 321244, 327800, 333760, 344960, 365050, 367136, 401555, 417200, 431200, 458920, 467264, 476800, 524480, 573650, 584080, 642488, 655600, 667520, 730100, 734272, 803110, 834400, 862400, 917840, 934528, 1048960, 1147300, 1168160, 1284976, 1311200, 1460200, 1468544, 1606220, 1668800, 1724800, 1835680, 2007775, 2294600, 2336320, 2569952, 2622400, 2920400, 3212440, 3337600, 3671360, 4015550, 4589200, 4672640, 5139904, 5244800, 5840800, 6424880, 7342720, 8031100, 9178400, 10279808, 11681600, 12849760, 16062200, 18356800, 23363200, 25699520, 32124400, 36713600, 51399040, 64248800, 128497600, 256995200]

約数ペア:

[(1, 256995200), (2, 128497600), (4, 64248800), (5, 51399040), (7, 36713600), (8, 32124400), (10, 25699520), (11, 23363200), (14, 18356800), (16, 16062200), (20, 12849760), (22, 11681600), (25, 10279808), (28, 9178400), (32, 8031100), (35, 7342720), (40, 6424880), (44, 5840800), (49, 5244800), (50, 5139904), (55, 4672640), (56, 4589200), (64, 4015550), (70, 3671360), (77, 3337600), (80, 3212440), (88, 2920400), (98, 2622400), (100, 2569952), (110, 2336320), (112, 2294600), (128, 2007775), (140, 1835680), (149, 1724800), (154, 1668800), (160, 1606220), (175, 1468544), (176, 1460200), (196, 1311200), (200, 1284976), (220, 1168160), (224, 1147300), (245, 1048960), (275, 934528), (280, 917840), (298, 862400), (308, 834400), (320, 803110), (350, 734272), (352, 730100), (385, 667520), (392, 655600), (400, 642488), (440, 584080), (448, 573650), (490, 524480), (539, 476800), (550, 467264), (560, 458920), (596, 431200), (616, 417200), (640, 401555), (700, 367136), (704, 365050), (745, 344960), (770, 333760), (784, 327800), (800, 321244), (880, 292040), (896, 286825), (980, 262240), (1043, 246400), (1078, 238400), (1100, 233632), (1120, 229460), (1192, 215600), (1225, 209792), (1232, 208600), (1400, 183568), (1408, 182525), (1490, 172480), (1540, 166880), (1568, 163900), (1600, 160622), (1639, 156800), (1760, 146020), (1925, 133504), (1960, 131120), (2086, 123200), (2156, 119200), (2200, 116816), (2240, 114730), (2384, 107800), (2450, 104896), (2464, 104300), (2695, 95360), (2800, 91784), (2980, 86240), (3080, 83440), (3136, 81950), (3200, 80311), (3278, 78400), (3520, 73010), (3725, 68992), (3850, 66752), (3920, 65560), (4172, 61600), (4312, 59600), (4400, 58408), (4480, 57365), (4768, 53900), (4900, 52448), (4928, 52150), (5215, 49280), (5390, 47680), (5600, 45892), (5960, 43120), (6160, 41720), (6272, 40975), (6556, 39200), (7040, 36505), (7301, 35200), (7450, 34496), (7700, 33376), (7840, 32780), (8195, 31360), (8344, 30800), (8624, 29800), (8800, 29204), (9536, 26950), (9800, 26224), (9856, 26075), (10430, 24640), (10780, 23840), (11200, 22946), (11473, 22400), (11920, 21560), (12320, 20860), (13112, 19600), (13475, 19072), (14602, 17600), (14900, 17248), (15400, 16688), (15680, 16390)]