About the Number

1988729280

1988729279 ← → 1988729281

2進数表記:1110110100010011001100111000000

漢数字表記:十九億八千八百七十二万九千二百八十

素因数分解:

2 6 × 3 3 × 5 1 × 37 1 × 6221 1

素因数の和:6284
約数の個数: 224
約数和(自身を含む): 7206569280
約数和(自身を除く): 5217840000

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 432, 444, 480, 540, 555, 576, 592, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1728, 1776, 1998, 2160, 2220, 2368, 2664, 2880, 2960, 3330, 3552, 3996, 4320, 4440, 4995, 5328, 5920, 6221, 6660, 7104, 7992, 8640, 8880, 9990, 10656, 11840, 12442, 13320, 15984, 17760, 18663, 19980, 21312, 24884, 26640, 31105, 31968, 35520, 37326, 39960, 49768, 53280, 55989, 62210, 63936, 74652, 79920, 93315, 99536, 106560, 111978, 124420, 149304, 159840, 167967, 186630, 199072, 223956, 230177, 248840, 279945, 298608, 319680, 335934, 373260, 398144, 447912, 460354, 497680, 559890, 597216, 671868, 690531, 746520, 839835, 895824, 920708, 995360, 1119780, 1150885, 1194432, 1343736, 1381062, 1493040, 1679670, 1791648, 1841416, 1990720, 2071593, 2239560, 2301770, 2687472, 2762124, 2986080, 3359340, 3452655, 3583296, 3682832, 4143186, 4479120, 4603540, 5374944, 5524248, 5972160, 6214779, 6718680, 6905310, 7365664, 8286372, 8958240, 9207080, 10357965, 10749888, 11048496, 12429558, 13437360, 13810620, 14731328, 16572744, 17916480, 18414160, 20715930, 22096992, 24859116, 26874720, 27621240, 31073895, 33145488, 36828320, 41431860, 44193984, 49718232, 53749440, 55242480, 62147790, 66290976, 73656640, 82863720, 99436464, 110484960, 124295580, 132581952, 165727440, 198872928, 220969920, 248591160, 331454880, 397745856, 497182320, 662909760, 994364640, 1988729280]

約数ペア:
[(1, 1988729280), (2, 994364640), (3, 662909760), (4, 497182320), (5, 397745856), (6, 331454880), (8, 248591160), (9, 220969920), (10, 198872928), (12, 165727440), (15, 132581952), (16, 124295580), (18, 110484960), (20, 99436464), (24, 82863720), (27, 73656640), (30, 66290976), (32, 62147790), (36, 55242480), (37, 53749440), (40, 49718232), (45, 44193984), (48, 41431860), (54, 36828320), (60, 33145488), (64, 31073895), (72, 27621240), (74, 26874720), (80, 24859116), (90, 22096992), (96, 20715930), (108, 18414160), (111, 17916480), (120, 16572744), (135, 14731328), (144, 13810620), (148, 13437360), (160, 12429558), (180, 11048496), (185, 10749888), (192, 10357965), (216, 9207080), (222, 8958240), (240, 8286372), (270, 7365664), (288, 6905310), (296, 6718680), (320, 6214779), (333, 5972160), (360, 5524248), (370, 5374944), (432, 4603540), (444, 4479120), (480, 4143186), (540, 3682832), (555, 3583296), (576, 3452655), (592, 3359340), (666, 2986080), (720, 2762124), (740, 2687472), (864, 2301770), (888, 2239560), (960, 2071593), (999, 1990720), (1080, 1841416), (1110, 1791648), (1184, 1679670), (1332, 1493040), (1440, 1381062), (1480, 1343736), (1665, 1194432), (1728, 1150885), (1776, 1119780), (1998, 995360), (2160, 920708), (2220, 895824), (2368, 839835), (2664, 746520), (2880, 690531), (2960, 671868), (3330, 597216), (3552, 559890), (3996, 497680), (4320, 460354), (4440, 447912), (4995, 398144), (5328, 373260), (5920, 335934), (6221, 319680), (6660, 298608), (7104, 279945), (7992, 248840), (8640, 230177), (8880, 223956), (9990, 199072), (10656, 186630), (11840, 167967), (12442, 159840), (13320, 149304), (15984, 124420), (17760, 111978), (18663, 106560), (19980, 99536), (21312, 93315), (24884, 79920), (26640, 74652), (31105, 63936), (31968, 62210), (35520, 55989), (37326, 53280), (39960, 49768)]

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