About the Number

2131998960

2131998959 ← → 2131998961

2進数表記:1111111000100111011100011110000

漢数字表記:二十一億三千百九十九万八千九百六十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 13 1 × 31 1 × 47 1 × 67 1

素因数の和:181
約数の個数: 640
約数和(自身を含む): 8703442944
約数和(自身を除く): 6571443984

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 47, 48, 52, 56, 60, 62, 65, 67, 70, 78, 80, 84, 91, 93, 94, 104, 105, 112, 120, 124, 130, 134, 140, 141, 155, 156, 168, 182, 186, 188, 195, 201, 208, 210, 217, 235, 240, 248, 260, 268, 273, 280, 282, 310, 312, 329, 335, 336, 364, 372, 376, 390, 402, 403, 420, 434, 455, 465, 469, 470, 496, 520, 536, 546, 560, 564, 611, 620, 624, 651, 658, 670, 705, 728, 744, 752, 780, 804, 806, 840, 868, 871, 910, 930, 938, 940, 987, 1005, 1040, 1072, 1085, 1092, 1128, 1209, 1222, 1240, 1302, 1316, 1340, 1365, 1407, 1410, 1456, 1457, 1488, 1560, 1608, 1612, 1645, 1680, 1736, 1742, 1820, 1833, 1860, 1876, 1880, 1974, 2010, 2015, 2077, 2170, 2184, 2256, 2345, 2418, 2444, 2480, 2604, 2613, 2632, 2680, 2730, 2814, 2820, 2821, 2914, 3055, 3120, 3149, 3216, 3224, 3255, 3290, 3472, 3484, 3640, 3666, 3720, 3752, 3760, 3948, 4020, 4030, 4154, 4277, 4340, 4355, 4368, 4371, 4690, 4836, 4888, 4935, 5208, 5226, 5264, 5360, 5460, 5628, 5640, 5642, 5828, 6045, 6097, 6110, 6231, 6298, 6448, 6510, 6580, 6968, 7035, 7280, 7285, 7332, 7440, 7504, 7896, 8040, 8060, 8308, 8463, 8554, 8680, 8710, 8742, 9165, 9380, 9447, 9672, 9776, 9870, 10199, 10385, 10416, 10452, 10920, 11256, 11280, 11284, 11656, 12090, 12194, 12220, 12462, 12596, 12831, 13020, 13065, 13160, 13936, 14070, 14105, 14539, 14570, 14664, 15745, 15792, 16080, 16120, 16616, 16926, 17108, 17360, 17420, 17484, 18291, 18330, 18760, 18894, 18941, 19344, 19740, 20398, 20770, 20904, 21385, 21840, 21855, 22043, 22512, 22568, 23312, 24180, 24388, 24440, 24924, 25192, 25662, 26040, 26130, 26320, 27001, 28140, 28210, 29078, 29140, 29328, 30485, 30597, 31155, 31490, 32240, 33232, 33852, 34216, 34840, 34968, 36582, 36660, 37520, 37788, 37882, 39480, 40796, 40937, 41540, 41808, 42315, 42770, 43617, 43710, 44086, 45136, 47235, 48360, 48776, 48880, 49848, 50384, 50995, 51324, 52080, 52260, 54002, 56280, 56420, 56823, 58156, 58280, 60970, 61194, 62310, 62980, 64155, 66129, 67704, 68432, 69680, 69936, 72695, 73164, 73320, 75576, 75764, 78960, 81003, 81592, 81874, 83080, 84630, 85540, 87234, 87420, 88172, 91455, 94470, 94705, 96720, 97552, 97619, 99696, 101990, 102648, 104520, 108004, 110215, 112560, 112840, 113646, 116312, 116560, 121940, 122388, 122811, 124620, 125960, 128310, 132258, 132587, 135005, 135408, 145390, 146328, 146640, 151152, 151528, 152985, 162006, 163184, 163748, 166160, 169260, 171080, 174468, 174840, 176344, 182910, 188940, 189007, 189410, 195238, 203980, 204685, 205296, 209040, 216008, 218085, 220430, 225680, 227292, 232624, 243880, 244776, 245622, 249240, 251920, 256620, 264516, 265174, 270010, 284115, 286559, 290780, 292656, 292857, 303056, 305970, 324012, 327496, 330645, 338520, 342160, 348936, 349680, 352688, 365820, 377880, 378014, 378820, 390476, 397761, 405015, 407960, 409370, 432016, 436170, 440860, 454584, 487760, 488095, 489552, 491244, 498480, 513240, 529032, 530348, 540020, 567021, 568230, 573118, 581560, 585714, 611940, 614055, 648024, 654992, 661290, 662935, 677040, 683333, 697872, 731640, 755760, 756028, 757640, 780952, 795522, 810030, 815920, 818740, 859677, 872340, 881720, 909168, 945035, 976190, 982488, 1026480, 1058064, 1060696, 1080040, 1134042, 1136460, 1146236, 1163120, 1171428, 1223880, 1228110, 1269047, 1296048, 1322580, 1325870, 1366666, 1432795, 1463280, 1464285, 1512056, 1515280, 1561904, 1591044, 1620060, 1637480, 1719354, 1744680, 1763440, 1890070, 1952380, 1964976, 1988805, 2049999, 2121392, 2160080, 2268084, 2272920, 2292472, 2342856, 2447760, 2456220, 2538094, 2645160, 2651740, 2733332, 2835105, 2865590, 2928570, 3024112, 3182088, 3240120, 3274960, 3416665, 3438708, 3489360, 3780140, 3807141, 3904760, 3977610, 4099998, 4298385, 4536168, 4545840, 4584944, 4685712, 4912440, 5076188, 5290320, 5303480, 5466664, 5670210, 5731180, 5857140, 6345235, 6364176, 6480240, 6833330, 6877416, 7560280, 7614282, 7809520, 7955220, 8199996, 8596770, 8883329, 9072336, 9824880, 10152376, 10249995, 10606960, 10933328, 11340420, 11462360, 11714280, 12690470, 13666660, 13754832, 15120560, 15228564, 15910440, 16399992, 17193540, 17766658, 19035705, 20304752, 20499990, 22680840, 22924720, 23428560, 25380940, 26649987, 27333320, 30457128, 31820880, 32799984, 34387080, 35533316, 38071410, 40999980, 44416645, 45361680, 50761880, 53299974, 54666640, 60914256, 68774160, 71066632, 76142820, 81999960, 88833290, 101523760, 106599948, 133249935, 142133264, 152285640, 163999920, 177666580, 213199896, 266499870, 304571280, 355333160, 426399792, 532999740, 710666320, 1065999480, 2131998960]

約数ペア:
[(1, 2131998960), (2, 1065999480), (3, 710666320), (4, 532999740), (5, 426399792), (6, 355333160), (7, 304571280), (8, 266499870), (10, 213199896), (12, 177666580), (13, 163999920), (14, 152285640), (15, 142133264), (16, 133249935), (20, 106599948), (21, 101523760), (24, 88833290), (26, 81999960), (28, 76142820), (30, 71066632), (31, 68774160), (35, 60914256), (39, 54666640), (40, 53299974), (42, 50761880), (47, 45361680), (48, 44416645), (52, 40999980), (56, 38071410), (60, 35533316), (62, 34387080), (65, 32799984), (67, 31820880), (70, 30457128), (78, 27333320), (80, 26649987), (84, 25380940), (91, 23428560), (93, 22924720), (94, 22680840), (104, 20499990), (105, 20304752), (112, 19035705), (120, 17766658), (124, 17193540), (130, 16399992), (134, 15910440), (140, 15228564), (141, 15120560), (155, 13754832), (156, 13666660), (168, 12690470), (182, 11714280), (186, 11462360), (188, 11340420), (195, 10933328), (201, 10606960), (208, 10249995), (210, 10152376), (217, 9824880), (235, 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(1316, 1620060), (1340, 1591044), (1365, 1561904), (1407, 1515280), (1410, 1512056), (1456, 1464285), (1457, 1463280), (1488, 1432795), (1560, 1366666), (1608, 1325870), (1612, 1322580), (1645, 1296048), (1680, 1269047), (1736, 1228110), (1742, 1223880), (1820, 1171428), (1833, 1163120), (1860, 1146236), (1876, 1136460), (1880, 1134042), (1974, 1080040), (2010, 1060696), (2015, 1058064), (2077, 1026480), (2170, 982488), (2184, 976190), (2256, 945035), (2345, 909168), (2418, 881720), (2444, 872340), (2480, 859677), (2604, 818740), (2613, 815920), (2632, 810030), (2680, 795522), (2730, 780952), (2814, 757640), (2820, 756028), (2821, 755760), (2914, 731640), (3055, 697872), (3120, 683333), (3149, 677040), (3216, 662935), (3224, 661290), (3255, 654992), (3290, 648024), (3472, 614055), (3484, 611940), (3640, 585714), (3666, 581560), (3720, 573118), (3752, 568230), (3760, 567021), (3948, 540020), (4020, 530348), (4030, 529032), (4154, 513240), (4277, 498480), (4340, 491244), (4355, 489552), 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