About the Number

1987117440

1987117439 ← → 1987117441

2進数表記:1110110011100010000000110000000

漢数字表記:十九億八千七百十一万七千四百四十

素因数分解:

2 7 × 3 1 × 5 1 × 7 1 × 11 1 × 13441 1

素因数の和:13481
約数の個数: 256
約数和(自身を含む): 7897443840
約数和(自身を除く): 5910326400

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3360, 3520, 3696, 4224, 4480, 4620, 4928, 5280, 6160, 6720, 7040, 7392, 9240, 9856, 10560, 12320, 13440, 13441, 14784, 18480, 21120, 24640, 26882, 29568, 36960, 40323, 49280, 53764, 67205, 73920, 80646, 94087, 107528, 134410, 147840, 147851, 161292, 188174, 201615, 215056, 268820, 282261, 295702, 322584, 376348, 403230, 430112, 443553, 470435, 537640, 564522, 591404, 645168, 739255, 752696, 806460, 860224, 887106, 940870, 1034957, 1075280, 1129044, 1182808, 1290336, 1411305, 1478510, 1505392, 1612920, 1720448, 1774212, 1881740, 2069914, 2150560, 2217765, 2258088, 2365616, 2580672, 2822610, 2957020, 3010784, 3104871, 3225840, 3548424, 3763480, 4139828, 4301120, 4435530, 4516176, 4731232, 5161344, 5174785, 5645220, 5914040, 6021568, 6209742, 6451680, 7096848, 7526960, 8279656, 8602240, 8871060, 9032352, 9462464, 10349570, 11290440, 11828080, 12043136, 12419484, 12903360, 14193696, 15053920, 15524355, 16559312, 17742120, 18064704, 18924928, 20699140, 22580880, 23656160, 24838968, 25806720, 28387392, 30107840, 31048710, 33118624, 35484240, 36129408, 41398280, 45161760, 47312320, 49677936, 56774784, 60215680, 62097420, 66237248, 70968480, 82796560, 90323520, 94624640, 99355872, 124194840, 132474496, 141936960, 165593120, 180647040, 198711744, 248389680, 283873920, 331186240, 397423488, 496779360, 662372480, 993558720, 1987117440]

約数ペア:
[(1, 1987117440), (2, 993558720), (3, 662372480), (4, 496779360), (5, 397423488), (6, 331186240), (7, 283873920), (8, 248389680), (10, 198711744), (11, 180647040), (12, 165593120), (14, 141936960), (15, 132474496), (16, 124194840), (20, 99355872), (21, 94624640), (22, 90323520), (24, 82796560), (28, 70968480), (30, 66237248), (32, 62097420), (33, 60215680), (35, 56774784), (40, 49677936), (42, 47312320), (44, 45161760), (48, 41398280), (55, 36129408), (56, 35484240), (60, 33118624), (64, 31048710), (66, 30107840), (70, 28387392), (77, 25806720), (80, 24838968), (84, 23656160), (88, 22580880), (96, 20699140), (105, 18924928), (110, 18064704), (112, 17742120), (120, 16559312), (128, 15524355), (132, 15053920), (140, 14193696), (154, 12903360), (160, 12419484), (165, 12043136), (168, 11828080), (176, 11290440), (192, 10349570), (210, 9462464), (220, 9032352), (224, 8871060), (231, 8602240), (240, 8279656), (264, 7526960), (280, 7096848), (308, 6451680), (320, 6209742), (330, 6021568), (336, 5914040), (352, 5645220), (384, 5174785), (385, 5161344), (420, 4731232), (440, 4516176), (448, 4435530), (462, 4301120), (480, 4139828), (528, 3763480), (560, 3548424), (616, 3225840), (640, 3104871), (660, 3010784), (672, 2957020), (704, 2822610), (770, 2580672), (840, 2365616), (880, 2258088), (896, 2217765), (924, 2150560), (960, 2069914), (1056, 1881740), (1120, 1774212), (1155, 1720448), (1232, 1612920), (1320, 1505392), (1344, 1478510), (1408, 1411305), (1540, 1290336), (1680, 1182808), (1760, 1129044), (1848, 1075280), (1920, 1034957), (2112, 940870), (2240, 887106), (2310, 860224), (2464, 806460), (2640, 752696), (2688, 739255), (3080, 645168), (3360, 591404), (3520, 564522), (3696, 537640), (4224, 470435), (4480, 443553), (4620, 430112), (4928, 403230), (5280, 376348), (6160, 322584), (6720, 295702), (7040, 282261), (7392, 268820), (9240, 215056), (9856, 201615), (10560, 188174), (12320, 161292), (13440, 147851), (13441, 147840), (14784, 134410), (18480, 107528), (21120, 94087), (24640, 80646), (26882, 73920), (29568, 67205), (36960, 53764), (40323, 49280)]

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