About the Number

129231200

129231199 ← → 129231201

2進数表記:111101100111110100101100000

漢数字表記:一億二千九百二十三万千二百

素因数分解:

2 5 × 5 2 × 7 1 × 47 1 × 491 1

素因数の和:565
約数の個数: 144
約数和(自身を含む): 368976384
約数和(自身を除く): 239745184

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 70, 80, 94, 100, 112, 140, 160, 175, 188, 200, 224, 235, 280, 329, 350, 376, 400, 470, 491, 560, 658, 700, 752, 800, 940, 982, 1120, 1175, 1316, 1400, 1504, 1645, 1880, 1964, 2350, 2455, 2632, 2800, 3290, 3437, 3760, 3928, 4700, 4910, 5264, 5600, 6580, 6874, 7520, 7856, 8225, 9400, 9820, 10528, 12275, 13160, 13748, 15712, 16450, 17185, 18800, 19640, 23077, 24550, 26320, 27496, 32900, 34370, 37600, 39280, 46154, 49100, 52640, 54992, 65800, 68740, 78560, 85925, 92308, 98200, 109984, 115385, 131600, 137480, 161539, 171850, 184616, 196400, 230770, 263200, 274960, 323078, 343700, 369232, 392800, 461540, 549920, 576925, 646156, 687400, 738464, 807695, 923080, 1153850, 1292312, 1374800, 1615390, 1846160, 2307700, 2584624, 2749600, 3230780, 3692320, 4038475, 4615400, 5169248, 6461560, 8076950, 9230800, 12923120, 16153900, 18461600, 25846240, 32307800, 64615600, 129231200]

約数ペア:
[(1, 129231200), (2, 64615600), (4, 32307800), (5, 25846240), (7, 18461600), (8, 16153900), (10, 12923120), (14, 9230800), (16, 8076950), (20, 6461560), (25, 5169248), (28, 4615400), (32, 4038475), (35, 3692320), (40, 3230780), (47, 2749600), (50, 2584624), (56, 2307700), (70, 1846160), (80, 1615390), (94, 1374800), (100, 1292312), (112, 1153850), (140, 923080), (160, 807695), (175, 738464), (188, 687400), (200, 646156), (224, 576925), (235, 549920), (280, 461540), (329, 392800), (350, 369232), (376, 343700), (400, 323078), (470, 274960), (491, 263200), (560, 230770), (658, 196400), (700, 184616), (752, 171850), (800, 161539), (940, 137480), (982, 131600), (1120, 115385), (1175, 109984), (1316, 98200), (1400, 92308), (1504, 85925), (1645, 78560), (1880, 68740), (1964, 65800), (2350, 54992), (2455, 52640), (2632, 49100), (2800, 46154), (3290, 39280), (3437, 37600), (3760, 34370), (3928, 32900), (4700, 27496), (4910, 26320), (5264, 24550), (5600, 23077), (6580, 19640), (6874, 18800), (7520, 17185), (7856, 16450), (8225, 15712), (9400, 13748), (9820, 13160), (10528, 12275)]

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