About the Number

2138888400

2138888399 ← → 2138888401

2進数表記:1111111011111001101100011010000

漢数字表記:二十一億三千八百八十八万八千四百

素因数分解:

2 4 × 3 1 × 5 2 × 11 1 × 31 1 × 5227 1

素因数の和:5290
約数の個数: 240
約数和(自身を含む): 7717029888
約数和(自身を除く): 5578141488

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 31, 33, 40, 44, 48, 50, 55, 60, 62, 66, 75, 80, 88, 93, 100, 110, 120, 124, 132, 150, 155, 165, 176, 186, 200, 220, 240, 248, 264, 275, 300, 310, 330, 341, 372, 400, 440, 465, 496, 528, 550, 600, 620, 660, 682, 744, 775, 825, 880, 930, 1023, 1100, 1200, 1240, 1320, 1364, 1488, 1550, 1650, 1705, 1860, 2046, 2200, 2325, 2480, 2640, 2728, 3100, 3300, 3410, 3720, 4092, 4400, 4650, 5115, 5227, 5456, 6200, 6600, 6820, 7440, 8184, 8525, 9300, 10230, 10454, 12400, 13200, 13640, 15681, 16368, 17050, 18600, 20460, 20908, 25575, 26135, 27280, 31362, 34100, 37200, 40920, 41816, 51150, 52270, 57497, 62724, 68200, 78405, 81840, 83632, 102300, 104540, 114994, 125448, 130675, 136400, 156810, 162037, 172491, 204600, 209080, 229988, 250896, 261350, 287485, 313620, 324074, 344982, 392025, 409200, 418160, 459976, 486111, 522700, 574970, 627240, 648148, 689964, 784050, 810185, 862455, 919952, 972222, 1045400, 1149940, 1254480, 1296296, 1379928, 1437425, 1568100, 1620370, 1724910, 1782407, 1944444, 2090800, 2299880, 2430555, 2592592, 2759856, 2874850, 3136200, 3240740, 3449820, 3564814, 3888888, 4050925, 4312275, 4599760, 4861110, 5347221, 5749700, 6272400, 6481480, 6899640, 7129628, 7777776, 8101850, 8624550, 8912035, 9722220, 10694442, 11499400, 12152775, 12962960, 13799280, 14259256, 16203700, 17249100, 17824070, 19444440, 21388884, 22998800, 24305550, 26736105, 28518512, 32407400, 34498200, 35648140, 38888880, 42777768, 44560175, 48611100, 53472210, 64814800, 68996400, 71296280, 85555536, 89120350, 97222200, 106944420, 133680525, 142592560, 178240700, 194444400, 213888840, 267361050, 356481400, 427777680, 534722100, 712962800, 1069444200, 2138888400]

約数ペア:
[(1, 2138888400), (2, 1069444200), (3, 712962800), (4, 534722100), (5, 427777680), (6, 356481400), (8, 267361050), (10, 213888840), (11, 194444400), (12, 178240700), (15, 142592560), (16, 133680525), (20, 106944420), (22, 97222200), (24, 89120350), (25, 85555536), (30, 71296280), (31, 68996400), (33, 64814800), (40, 53472210), (44, 48611100), (48, 44560175), (50, 42777768), (55, 38888880), (60, 35648140), (62, 34498200), (66, 32407400), (75, 28518512), (80, 26736105), (88, 24305550), (93, 22998800), (100, 21388884), (110, 19444440), (120, 17824070), (124, 17249100), (132, 16203700), (150, 14259256), (155, 13799280), (165, 12962960), (176, 12152775), (186, 11499400), (200, 10694442), (220, 9722220), (240, 8912035), (248, 8624550), (264, 8101850), (275, 7777776), (300, 7129628), (310, 6899640), (330, 6481480), (341, 6272400), (372, 5749700), (400, 5347221), (440, 4861110), (465, 4599760), (496, 4312275), (528, 4050925), (550, 3888888), (600, 3564814), (620, 3449820), (660, 3240740), (682, 3136200), (744, 2874850), (775, 2759856), (825, 2592592), (880, 2430555), (930, 2299880), (1023, 2090800), (1100, 1944444), (1200, 1782407), (1240, 1724910), (1320, 1620370), (1364, 1568100), (1488, 1437425), (1550, 1379928), (1650, 1296296), (1705, 1254480), (1860, 1149940), (2046, 1045400), (2200, 972222), (2325, 919952), (2480, 862455), (2640, 810185), (2728, 784050), (3100, 689964), (3300, 648148), (3410, 627240), (3720, 574970), (4092, 522700), (4400, 486111), (4650, 459976), (5115, 418160), (5227, 409200), (5456, 392025), (6200, 344982), (6600, 324074), (6820, 313620), (7440, 287485), (8184, 261350), (8525, 250896), (9300, 229988), (10230, 209080), (10454, 204600), (12400, 172491), (13200, 162037), (13640, 156810), (15681, 136400), (16368, 130675), (17050, 125448), (18600, 114994), (20460, 104540), (20908, 102300), (25575, 83632), (26135, 81840), (27280, 78405), (31362, 68200), (34100, 62724), (37200, 57497), (40920, 52270), (41816, 51150)]

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