About the Number

129409920

129409919 ← → 129409921

2進数表記:111101101101010001110000000

漢数字表記:一億二千九百四十万九千九百二十

素因数分解:

2 7 × 3 3 × 5 1 × 7489 1

素因数の和:7517
約数の個数: 128
約数和(自身を含む): 458388000
約数和(自身を除く): 328978080

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 7489, 8640, 14978, 17280, 22467, 29956, 37445, 44934, 59912, 67401, 74890, 89868, 112335, 119824, 134802, 149780, 179736, 202203, 224670, 239648, 269604, 299560, 337005, 359472, 404406, 449340, 479296, 539208, 599120, 674010, 718944, 808812, 898680, 958592, 1011015, 1078416, 1198240, 1348020, 1437888, 1617624, 1797360, 2022030, 2156832, 2396480, 2696040, 2875776, 3235248, 3594720, 4044060, 4313664, 4792960, 5392080, 6470496, 7189440, 8088120, 8627328, 10784160, 12940992, 14378880, 16176240, 21568320, 25881984, 32352480, 43136640, 64704960, 129409920]

約数ペア:
[(1, 129409920), (2, 64704960), (3, 43136640), (4, 32352480), (5, 25881984), (6, 21568320), (8, 16176240), (9, 14378880), (10, 12940992), (12, 10784160), (15, 8627328), (16, 8088120), (18, 7189440), (20, 6470496), (24, 5392080), (27, 4792960), (30, 4313664), (32, 4044060), (36, 3594720), (40, 3235248), (45, 2875776), (48, 2696040), (54, 2396480), (60, 2156832), (64, 2022030), (72, 1797360), (80, 1617624), (90, 1437888), (96, 1348020), (108, 1198240), (120, 1078416), (128, 1011015), (135, 958592), (144, 898680), (160, 808812), (180, 718944), (192, 674010), (216, 599120), (240, 539208), (270, 479296), (288, 449340), (320, 404406), (360, 359472), (384, 337005), (432, 299560), (480, 269604), (540, 239648), (576, 224670), (640, 202203), (720, 179736), (864, 149780), (960, 134802), (1080, 119824), (1152, 112335), (1440, 89868), (1728, 74890), (1920, 67401), (2160, 59912), (2880, 44934), (3456, 37445), (4320, 29956), (5760, 22467), (7489, 17280), (8640, 14978)]

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