209296640

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 603977472

約数和(自身を除く): 394680832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 71, 80, 94, 98, 112, 128, 140, 142, 160, 188, 196, 224, 235, 245, 256, 280, 284, 320, 329, 355, 376, 392, 448, 470, 490, 497, 560, 568, 640, 658, 710, 752, 784, 896, 940, 980, 994, 1120, 1136, 1280, 1316, 1420, 1504, 1568, 1645, 1792, 1880, 1960, 1988, 2240, 2272, 2303, 2485, 2632, 2840, 3008, 3136, 3290, 3337, 3479, 3760, 3920, 3976, 4480, 4544, 4606, 4970, 5264, 5680, 6016, 6272, 6580, 6674, 6958, 7520, 7840, 7952, 8960, 9088, 9212, 9940, 10528, 11360, 11515, 12032, 12544, 13160, 13348, 13916, 15040, 15680, 15904, 16685, 17395, 18176, 18424, 19880, 21056, 22720, 23030, 23359, 26320, 26696, 27832, 30080, 31360, 31808, 33370, 34790, 36848, 39760, 42112, 45440, 46060, 46718, 52640, 53392, 55664, 60160, 62720, 63616, 66740, 69580, 73696, 79520, 84224, 90880, 92120, 93436, 105280, 106784, 111328, 116795, 127232, 133480, 139160, 147392, 159040, 163513, 184240, 186872, 210560, 213568, 222656, 233590, 266960, 278320, 294784, 318080, 327026, 368480, 373744, 421120, 427136, 445312, 467180, 533920, 556640, 589568, 636160, 654052, 736960, 747488, 817565, 854272, 890624, 934360, 1067840, 1113280, 1308104, 1473920, 1494976, 1635130, 1868720, 2135680, 2226560, 2616208, 2947840, 2989952, 3270260, 3737440, 4271360, 4453120, 5232416, 5979904, 6540520, 7474880, 10464832, 13081040, 14949760, 20929664, 26162080, 29899520, 41859328, 52324160, 104648320, 209296640]

約数ペア:

[(1, 209296640), (2, 104648320), (4, 52324160), (5, 41859328), (7, 29899520), (8, 26162080), (10, 20929664), (14, 14949760), (16, 13081040), (20, 10464832), (28, 7474880), (32, 6540520), (35, 5979904), (40, 5232416), (47, 4453120), (49, 4271360), (56, 3737440), (64, 3270260), (70, 2989952), (71, 2947840), (80, 2616208), (94, 2226560), (98, 2135680), (112, 1868720), (128, 1635130), (140, 1494976), (142, 1473920), (160, 1308104), (188, 1113280), (196, 1067840), (224, 934360), (235, 890624), (245, 854272), (256, 817565), (280, 747488), (284, 736960), (320, 654052), (329, 636160), (355, 589568), (376, 556640), (392, 533920), (448, 467180), (470, 445312), (490, 427136), (497, 421120), (560, 373744), (568, 368480), (640, 327026), (658, 318080), (710, 294784), (752, 278320), (784, 266960), (896, 233590), (940, 222656), (980, 213568), (994, 210560), (1120, 186872), (1136, 184240), (1280, 163513), (1316, 159040), (1420, 147392), (1504, 139160), (1568, 133480), (1645, 127232), (1792, 116795), (1880, 111328), (1960, 106784), (1988, 105280), (2240, 93436), (2272, 92120), (2303, 90880), (2485, 84224), (2632, 79520), (2840, 73696), (3008, 69580), (3136, 66740), (3290, 63616), (3337, 62720), (3479, 60160), (3760, 55664), (3920, 53392), (3976, 52640), (4480, 46718), (4544, 46060), (4606, 45440), (4970, 42112), (5264, 39760), (5680, 36848), (6016, 34790), (6272, 33370), (6580, 31808), (6674, 31360), (6958, 30080), (7520, 27832), (7840, 26696), (7952, 26320), (8960, 23359), (9088, 23030), (9212, 22720), (9940, 21056), (10528, 19880), (11360, 18424), (11515, 18176), (12032, 17395), (12544, 16685), (13160, 15904), (13348, 15680), (13916, 15040)]