280000019712

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{157}}^2\times {\mathrm{2113}}^1$

素因数の和:2453

約数の個数: 216

約数和(自身を含む): 857531551296

約数和(自身を除く): 577531531584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 157, 168, 192, 224, 256, 314, 336, 384, 448, 471, 628, 672, 768, 896, 942, 1099, 1256, 1344, 1792, 1884, 2113, 2198, 2512, 2688, 3297, 3768, 4226, 4396, 5024, 5376, 6339, 6594, 7536, 8452, 8792, 10048, 12678, 13188, 14791, 15072, 16904, 17584, 20096, 24649, 25356, 26376, 29582, 30144, 33808, 35168, 40192, 44373, 49298, 50712, 52752, 59164, 60288, 67616, 70336, 73947, 88746, 98596, 101424, 105504, 118328, 120576, 135232, 140672, 147894, 172543, 177492, 197192, 202848, 211008, 236656, 270464, 281344, 295788, 331741, 345086, 354984, 394384, 405696, 422016, 473312, 517629, 540928, 591576, 663482, 690172, 709968, 788768, 811392, 844032, 946624, 995223, 1035258, 1183152, 1326964, 1380344, 1419936, 1577536, 1622784, 1893248, 1990446, 2070516, 2322187, 2366304, 2653928, 2760688, 2839872, 3155072, 3786496, 3980892, 4141032, 4644374, 4732608, 5307856, 5521376, 5679744, 6310144, 6966561, 7961784, 8282064, 9288748, 9465216, 10615712, 11042752, 11359488, 13933122, 15923568, 16564128, 18577496, 18930432, 21231424, 22085504, 27866244, 31847136, 33128256, 37154992, 42462848, 44171008, 52083337, 55732488, 63694272, 66256512, 74309984, 84925696, 104166674, 111464976, 127388544, 132513024, 148619968, 156250011, 208333348, 222929952, 254777088, 297239936, 312500022, 364583359, 416666696, 445859904, 594479872, 625000044, 729166718, 833333392, 891719808, 1093750077, 1250000088, 1458333436, 1666666784, 1783439616, 2187500154, 2500000176, 2916666872, 3333333568, 4375000308, 5000000352, 5833333744, 6666667136, 8750000616, 10000000704, 11666667488, 13333334272, 17500001232, 20000001408, 23333334976, 35000002464, 40000002816, 46666669952, 70000004928, 93333339904, 140000009856, 280000019712]

約数ペア:

[(1, 280000019712), (2, 140000009856), (3, 93333339904), (4, 70000004928), (6, 46666669952), (7, 40000002816), (8, 35000002464), (12, 23333334976), (14, 20000001408), (16, 17500001232), (21, 13333334272), (24, 11666667488), (28, 10000000704), (32, 8750000616), (42, 6666667136), (48, 5833333744), (56, 5000000352), (64, 4375000308), (84, 3333333568), (96, 2916666872), (112, 2500000176), (128, 2187500154), (157, 1783439616), (168, 1666666784), (192, 1458333436), (224, 1250000088), (256, 1093750077), (314, 891719808), (336, 833333392), (384, 729166718), (448, 625000044), (471, 594479872), (628, 445859904), (672, 416666696), (768, 364583359), (896, 312500022), (942, 297239936), (1099, 254777088), (1256, 222929952), (1344, 208333348), (1792, 156250011), (1884, 148619968), (2113, 132513024), (2198, 127388544), (2512, 111464976), (2688, 104166674), (3297, 84925696), (3768, 74309984), (4226, 66256512), (4396, 63694272), (5024, 55732488), (5376, 52083337), (6339, 44171008), (6594, 42462848), (7536, 37154992), (8452, 33128256), (8792, 31847136), (10048, 27866244), (12678, 22085504), (13188, 21231424), (14791, 18930432), (15072, 18577496), (16904, 16564128), (17584, 15923568), (20096, 13933122), (24649, 11359488), (25356, 11042752), (26376, 10615712), (29582, 9465216), (30144, 9288748), (33808, 8282064), (35168, 7961784), (40192, 6966561), (44373, 6310144), (49298, 5679744), (50712, 5521376), (52752, 5307856), (59164, 4732608), (60288, 4644374), (67616, 4141032), (70336, 3980892), (73947, 3786496), (88746, 3155072), (98596, 2839872), (101424, 2760688), (105504, 2653928), (118328, 2366304), (120576, 2322187), (135232, 2070516), (140672, 1990446), (147894, 1893248), (172543, 1622784), (177492, 1577536), (197192, 1419936), (202848, 1380344), (211008, 1326964), (236656, 1183152), (270464, 1035258), (281344, 995223), (295788, 946624), (331741, 844032), (345086, 811392), (354984, 788768), (394384, 709968), (405696, 690172), (422016, 663482), (473312, 591576), (517629, 540928)]