208411840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 224

約数和(自身を含む): 648273024

約数和(自身を除く): 439861184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 320, 340, 364, 416, 421, 442, 448, 455, 476, 520, 544, 560, 595, 680, 728, 832, 842, 884, 910, 952, 1040, 1088, 1105, 1120, 1190, 1360, 1456, 1547, 1684, 1768, 1820, 1904, 2080, 2105, 2210, 2240, 2380, 2720, 2912, 2947, 3094, 3368, 3536, 3640, 3808, 4160, 4210, 4420, 4760, 5440, 5473, 5824, 5894, 6188, 6736, 7072, 7157, 7280, 7616, 7735, 8420, 8840, 9520, 10946, 11788, 12376, 13472, 14144, 14314, 14560, 14735, 15470, 16840, 17680, 19040, 21892, 23576, 24752, 26944, 27365, 28628, 29120, 29470, 30940, 33680, 35360, 35785, 38080, 38311, 43784, 47152, 49504, 50099, 54730, 57256, 58940, 61880, 67360, 70720, 71570, 76622, 87568, 93041, 94304, 99008, 100198, 109460, 114512, 117880, 123760, 134720, 143140, 153244, 175136, 186082, 188608, 191555, 200396, 218920, 229024, 235760, 247520, 250495, 286280, 306488, 350272, 372164, 383110, 400792, 437840, 458048, 465205, 471520, 495040, 500990, 572560, 612976, 651287, 744328, 766220, 801584, 875680, 930410, 943040, 1001980, 1145120, 1225952, 1302574, 1488656, 1532440, 1603168, 1751360, 1860820, 2003960, 2290240, 2451904, 2605148, 2977312, 3064880, 3206336, 3256435, 3721640, 4007920, 5210296, 5954624, 6129760, 6512870, 7443280, 8015840, 10420592, 12259520, 13025740, 14886560, 16031680, 20841184, 26051480, 29773120, 41682368, 52102960, 104205920, 208411840]

約数ペア:

[(1, 208411840), (2, 104205920), (4, 52102960), (5, 41682368), (7, 29773120), (8, 26051480), (10, 20841184), (13, 16031680), (14, 14886560), (16, 13025740), (17, 12259520), (20, 10420592), (26, 8015840), (28, 7443280), (32, 6512870), (34, 6129760), (35, 5954624), (40, 5210296), (52, 4007920), (56, 3721640), (64, 3256435), (65, 3206336), (68, 3064880), (70, 2977312), (80, 2605148), (85, 2451904), (91, 2290240), (104, 2003960), (112, 1860820), (119, 1751360), (130, 1603168), (136, 1532440), (140, 1488656), (160, 1302574), (170, 1225952), (182, 1145120), (208, 1001980), (221, 943040), (224, 930410), (238, 875680), (260, 801584), (272, 766220), (280, 744328), (320, 651287), (340, 612976), (364, 572560), (416, 500990), (421, 495040), (442, 471520), (448, 465205), (455, 458048), (476, 437840), (520, 400792), (544, 383110), (560, 372164), (595, 350272), (680, 306488), (728, 286280), (832, 250495), (842, 247520), (884, 235760), (910, 229024), (952, 218920), (1040, 200396), (1088, 191555), (1105, 188608), (1120, 186082), (1190, 175136), (1360, 153244), (1456, 143140), (1547, 134720), (1684, 123760), (1768, 117880), (1820, 114512), (1904, 109460), (2080, 100198), (2105, 99008), (2210, 94304), (2240, 93041), (2380, 87568), (2720, 76622), (2912, 71570), (2947, 70720), (3094, 67360), (3368, 61880), (3536, 58940), (3640, 57256), (3808, 54730), (4160, 50099), (4210, 49504), (4420, 47152), (4760, 43784), (5440, 38311), (5473, 38080), (5824, 35785), (5894, 35360), (6188, 33680), (6736, 30940), (7072, 29470), (7157, 29120), (7280, 28628), (7616, 27365), (7735, 26944), (8420, 24752), (8840, 23576), (9520, 21892), (10946, 19040), (11788, 17680), (12376, 16840), (13472, 15470), (14144, 14735), (14314, 14560)]