About the Number

268941680

268941679 ← → 268941681

2進数表記:10000000001111011100101110000

漢数字表記:二億六千八百九十四万千六百八十

素因数分解:

2 4 × 5 1 × 7 1 × 61 1 × 7873 1

素因数の和:7954
約数の個数: 80
約数和(自身を含む): 726423744
約数和(自身を除く): 457482064

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 7873, 8540, 15746, 17080, 31492, 34160, 39365, 55111, 62984, 78730, 110222, 125968, 157460, 220444, 275555, 314920, 440888, 480253, 551110, 629840, 881776, 960506, 1102220, 1921012, 2204440, 2401265, 3361771, 3842024, 4408880, 4802530, 6723542, 7684048, 9605060, 13447084, 16808855, 19210120, 26894168, 33617710, 38420240, 53788336, 67235420, 134470840, 268941680]

約数ペア:
[(1, 268941680), (2, 134470840), (4, 67235420), (5, 53788336), (7, 38420240), (8, 33617710), (10, 26894168), (14, 19210120), (16, 16808855), (20, 13447084), (28, 9605060), (35, 7684048), (40, 6723542), (56, 4802530), (61, 4408880), (70, 3842024), (80, 3361771), (112, 2401265), (122, 2204440), (140, 1921012), (244, 1102220), (280, 960506), (305, 881776), (427, 629840), (488, 551110), (560, 480253), (610, 440888), (854, 314920), (976, 275555), (1220, 220444), (1708, 157460), (2135, 125968), (2440, 110222), (3416, 78730), (4270, 62984), (4880, 55111), (6832, 39365), (7873, 34160), (8540, 31492), (15746, 17080)]

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