208748800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 162

約数和(自身を含む): 562387182

約数和(自身を除く): 353638382

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 169, 193, 200, 208, 256, 260, 320, 325, 338, 386, 400, 416, 520, 640, 650, 676, 772, 800, 832, 845, 965, 1040, 1280, 1300, 1352, 1544, 1600, 1664, 1690, 1930, 2080, 2509, 2600, 2704, 3088, 3200, 3328, 3380, 3860, 4160, 4225, 4825, 5018, 5200, 5408, 6176, 6400, 6760, 7720, 8320, 8450, 9650, 10036, 10400, 10816, 12352, 12545, 13520, 15440, 16640, 16900, 19300, 20072, 20800, 21632, 24704, 25090, 27040, 30880, 32617, 33800, 38600, 40144, 41600, 43264, 49408, 50180, 54080, 61760, 62725, 65234, 67600, 77200, 80288, 83200, 100360, 108160, 123520, 125450, 130468, 135200, 154400, 160576, 163085, 200720, 216320, 247040, 250900, 260936, 270400, 308800, 321152, 326170, 401440, 501800, 521872, 540800, 617600, 642304, 652340, 802880, 815425, 1003600, 1043744, 1081600, 1235200, 1304680, 1605760, 1630850, 2007200, 2087488, 2609360, 3211520, 3261700, 4014400, 4174976, 5218720, 6523400, 8028800, 8349952, 10437440, 13046800, 16057600, 20874880, 26093600, 41749760, 52187200, 104374400, 208748800]

約数ペア:

[(1, 208748800), (2, 104374400), (4, 52187200), (5, 41749760), (8, 26093600), (10, 20874880), (13, 16057600), (16, 13046800), (20, 10437440), (25, 8349952), (26, 8028800), (32, 6523400), (40, 5218720), (50, 4174976), (52, 4014400), (64, 3261700), (65, 3211520), (80, 2609360), (100, 2087488), (104, 2007200), (128, 1630850), (130, 1605760), (160, 1304680), (169, 1235200), (193, 1081600), (200, 1043744), (208, 1003600), (256, 815425), (260, 802880), (320, 652340), (325, 642304), (338, 617600), (386, 540800), (400, 521872), (416, 501800), (520, 401440), (640, 326170), (650, 321152), (676, 308800), (772, 270400), (800, 260936), (832, 250900), (845, 247040), (965, 216320), (1040, 200720), (1280, 163085), (1300, 160576), (1352, 154400), (1544, 135200), (1600, 130468), (1664, 125450), (1690, 123520), (1930, 108160), (2080, 100360), (2509, 83200), (2600, 80288), (2704, 77200), (3088, 67600), (3200, 65234), (3328, 62725), (3380, 61760), (3860, 54080), (4160, 50180), (4225, 49408), (4825, 43264), (5018, 41600), (5200, 40144), (5408, 38600), (6176, 33800), (6400, 32617), (6760, 30880), (7720, 27040), (8320, 25090), (8450, 24704), (9650, 21632), (10036, 20800), (10400, 20072), (10816, 19300), (12352, 16900), (12545, 16640), (13520, 15440)]