About the Number

139887648

139887647 ← → 139887649

2進数表記:1000010101101000010000100000

漢数字表記:一億三千九百八十八万七千六百四十八

素因数分解:

2 5 × 3 4 × 29 1 × 1861 1

素因数の和:1912
約数の個数: 120
約数和(自身を含む): 425820780
約数和(自身を除く): 285933132

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 81, 87, 96, 108, 116, 144, 162, 174, 216, 232, 261, 288, 324, 348, 432, 464, 522, 648, 696, 783, 864, 928, 1044, 1296, 1392, 1566, 1861, 2088, 2349, 2592, 2784, 3132, 3722, 4176, 4698, 5583, 6264, 7444, 8352, 9396, 11166, 12528, 14888, 16749, 18792, 22332, 25056, 29776, 33498, 37584, 44664, 50247, 53969, 59552, 66996, 75168, 89328, 100494, 107938, 133992, 150741, 161907, 178656, 200988, 215876, 267984, 301482, 323814, 401976, 431752, 485721, 535968, 602964, 647628, 803952, 863504, 971442, 1205928, 1295256, 1457163, 1607904, 1727008, 1942884, 2411856, 2590512, 2914326, 3885768, 4371489, 4823712, 5181024, 5828652, 7771536, 8742978, 11657304, 15543072, 17485956, 23314608, 34971912, 46629216, 69943824, 139887648]

約数ペア:
[(1, 139887648), (2, 69943824), (3, 46629216), (4, 34971912), (6, 23314608), (8, 17485956), (9, 15543072), (12, 11657304), (16, 8742978), (18, 7771536), (24, 5828652), (27, 5181024), (29, 4823712), (32, 4371489), (36, 3885768), (48, 2914326), (54, 2590512), (58, 2411856), (72, 1942884), (81, 1727008), (87, 1607904), (96, 1457163), (108, 1295256), (116, 1205928), (144, 971442), (162, 863504), (174, 803952), (216, 647628), (232, 602964), (261, 535968), (288, 485721), (324, 431752), (348, 401976), (432, 323814), (464, 301482), (522, 267984), (648, 215876), (696, 200988), (783, 178656), (864, 161907), (928, 150741), (1044, 133992), (1296, 107938), (1392, 100494), (1566, 89328), (1861, 75168), (2088, 66996), (2349, 59552), (2592, 53969), (2784, 50247), (3132, 44664), (3722, 37584), (4176, 33498), (4698, 29776), (5583, 25056), (6264, 22332), (7444, 18792), (8352, 16749), (9396, 14888), (11166, 12528)]

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