About the Number

28717920

28717919 ← → 28717921

2進数表記:1101101100011001101100000

漢数字表記:二千八百七十一万七千九百二十

素因数分解:

2 5 × 3 2 × 5 1 × 7 2 × 11 1 × 37 1

素因数の和:83
約数の個数: 432
約数和(自身を含む): 127724688
約数和(自身を除く): 99006768

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 37, 40, 42, 44, 45, 48, 49, 55, 56, 60, 63, 66, 70, 72, 74, 77, 80, 84, 88, 90, 96, 98, 99, 105, 110, 111, 112, 120, 126, 132, 140, 144, 147, 148, 154, 160, 165, 168, 176, 180, 185, 196, 198, 210, 220, 222, 224, 231, 240, 245, 252, 259, 264, 280, 288, 294, 296, 308, 315, 330, 333, 336, 352, 360, 370, 385, 392, 396, 407, 420, 440, 441, 444, 462, 480, 490, 495, 504, 518, 528, 539, 555, 560, 588, 592, 616, 630, 660, 666, 672, 693, 720, 735, 740, 770, 777, 784, 792, 814, 840, 880, 882, 888, 924, 980, 990, 1008, 1036, 1056, 1078, 1110, 1120, 1155, 1176, 1184, 1221, 1232, 1260, 1295, 1320, 1332, 1386, 1440, 1470, 1480, 1540, 1554, 1568, 1584, 1617, 1628, 1665, 1680, 1760, 1764, 1776, 1813, 1848, 1960, 1980, 2016, 2035, 2072, 2156, 2205, 2220, 2310, 2331, 2352, 2442, 2464, 2520, 2590, 2640, 2664, 2695, 2772, 2849, 2940, 2960, 3080, 3108, 3168, 3234, 3256, 3330, 3360, 3465, 3528, 3552, 3626, 3663, 3696, 3885, 3920, 3960, 4070, 4144, 4312, 4410, 4440, 4620, 4662, 4704, 4851, 4884, 5040, 5180, 5280, 5328, 5390, 5439, 5544, 5698, 5880, 5920, 6105, 6160, 6216, 6468, 6512, 6660, 6930, 7056, 7252, 7326, 7392, 7770, 7840, 7920, 8085, 8140, 8288, 8547, 8624, 8820, 8880, 9065, 9240, 9324, 9702, 9768, 10080, 10360, 10656, 10780, 10878, 11088, 11396, 11655, 11760, 12210, 12320, 12432, 12936, 13024, 13320, 13860, 14112, 14245, 14504, 14652, 15540, 15840, 16170, 16280, 16317, 17094, 17248, 17640, 17760, 18130, 18315, 18480, 18648, 19404, 19536, 19943, 20720, 21560, 21756, 22176, 22792, 23310, 23520, 24255, 24420, 24864, 25641, 25872, 26640, 27195, 27720, 28490, 29008, 29304, 31080, 32340, 32560, 32634, 34188, 35280, 36260, 36630, 36960, 37296, 38808, 39072, 39886, 41440, 42735, 43120, 43512, 45584, 46620, 48510, 48840, 51282, 51744, 53280, 54390, 55440, 56980, 58016, 58608, 59829, 62160, 64680, 65120, 65268, 68376, 70560, 72520, 73260, 74592, 77616, 79772, 81585, 85470, 86240, 87024, 91168, 93240, 97020, 97680, 99715, 102564, 108780, 110880, 113960, 117216, 119658, 124320, 128205, 129360, 130536, 136752, 145040, 146520, 155232, 159544, 163170, 170940, 174048, 179487, 186480, 194040, 195360, 199430, 205128, 217560, 227920, 239316, 256410, 258720, 261072, 273504, 290080, 293040, 299145, 319088, 326340, 341880, 358974, 372960, 388080, 398860, 410256, 435120, 455840, 478632, 512820, 522144, 586080, 598290, 638176, 652680, 683760, 717948, 776160, 797720, 820512, 870240, 897435, 957264, 1025640, 1196580, 1305360, 1367520, 1435896, 1595440, 1794870, 1914528, 2051280, 2393160, 2610720, 2871792, 3190880, 3589740, 4102560, 4786320, 5743584, 7179480, 9572640, 14358960, 28717920]

約数ペア:
[(1, 28717920), (2, 14358960), (3, 9572640), (4, 7179480), (5, 5743584), (6, 4786320), (7, 4102560), (8, 3589740), (9, 3190880), (10, 2871792), (11, 2610720), (12, 2393160), (14, 2051280), (15, 1914528), (16, 1794870), (18, 1595440), (20, 1435896), (21, 1367520), (22, 1305360), (24, 1196580), (28, 1025640), (30, 957264), (32, 897435), (33, 870240), (35, 820512), (36, 797720), (37, 776160), (40, 717948), (42, 683760), (44, 652680), (45, 638176), (48, 598290), (49, 586080), (55, 522144), (56, 512820), (60, 478632), (63, 455840), (66, 435120), (70, 410256), (72, 398860), (74, 388080), (77, 372960), (80, 358974), (84, 341880), (88, 326340), (90, 319088), (96, 299145), (98, 293040), (99, 290080), (105, 273504), (110, 261072), (111, 258720), (112, 256410), (120, 239316), (126, 227920), (132, 217560), (140, 205128), (144, 199430), (147, 195360), (148, 194040), (154, 186480), (160, 179487), (165, 174048), (168, 170940), (176, 163170), (180, 159544), (185, 155232), (196, 146520), (198, 145040), (210, 136752), (220, 130536), (222, 129360), (224, 128205), (231, 124320), (240, 119658), (245, 117216), (252, 113960), (259, 110880), (264, 108780), (280, 102564), (288, 99715), (294, 97680), (296, 97020), (308, 93240), (315, 91168), (330, 87024), (333, 86240), (336, 85470), (352, 81585), (360, 79772), (370, 77616), (385, 74592), (392, 73260), (396, 72520), (407, 70560), (420, 68376), (440, 65268), (441, 65120), (444, 64680), (462, 62160), (480, 59829), (490, 58608), (495, 58016), (504, 56980), (518, 55440), (528, 54390), (539, 53280), (555, 51744), (560, 51282), (588, 48840), (592, 48510), (616, 46620), (630, 45584), (660, 43512), (666, 43120), (672, 42735), (693, 41440), (720, 39886), (735, 39072), (740, 38808), (770, 37296), (777, 36960), (784, 36630), (792, 36260), (814, 35280), (840, 34188), (880, 32634), (882, 32560), (888, 32340), (924, 31080), (980, 29304), (990, 29008), (1008, 28490), (1036, 27720), (1056, 27195), (1078, 26640), (1110, 25872), (1120, 25641), (1155, 24864), (1176, 24420), (1184, 24255), (1221, 23520), (1232, 23310), (1260, 22792), (1295, 22176), (1320, 21756), (1332, 21560), (1386, 20720), (1440, 19943), (1470, 19536), (1480, 19404), (1540, 18648), (1554, 18480), (1568, 18315), (1584, 18130), (1617, 17760), (1628, 17640), (1665, 17248), (1680, 17094), (1760, 16317), (1764, 16280), (1776, 16170), (1813, 15840), (1848, 15540), (1960, 14652), (1980, 14504), (2016, 14245), (2035, 14112), (2072, 13860), (2156, 13320), (2205, 13024), (2220, 12936), (2310, 12432), (2331, 12320), (2352, 12210), (2442, 11760), (2464, 11655), (2520, 11396), (2590, 11088), (2640, 10878), (2664, 10780), (2695, 10656), (2772, 10360), (2849, 10080), (2940, 9768), (2960, 9702), (3080, 9324), (3108, 9240), (3168, 9065), (3234, 8880), (3256, 8820), (3330, 8624), (3360, 8547), (3465, 8288), (3528, 8140), (3552, 8085), (3626, 7920), (3663, 7840), (3696, 7770), (3885, 7392), (3920, 7326), (3960, 7252), (4070, 7056), (4144, 6930), (4312, 6660), (4410, 6512), (4440, 6468), (4620, 6216), (4662, 6160), (4704, 6105), (4851, 5920), (4884, 5880), (5040, 5698), (5180, 5544), (5280, 5439), (5328, 5390)]

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