About the Number

231205128

231205127 ← → 231205129

2進数表記:1101110001111110100100001000

漢数字表記:二億三千百二十万五千百二十八

素因数分解:

2 3 × 3 1 × 7 2 × 11 1 × 61 1 × 293 1

素因数の和:388
約数の個数: 192
約数和(自身を含む): 748077120
約数和(自身を除く): 516871992

約数列:
[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 61, 66, 77, 84, 88, 98, 122, 132, 147, 154, 168, 183, 196, 231, 244, 264, 293, 294, 308, 366, 392, 427, 462, 488, 539, 586, 588, 616, 671, 732, 854, 879, 924, 1078, 1172, 1176, 1281, 1342, 1464, 1617, 1708, 1758, 1848, 2013, 2051, 2156, 2344, 2562, 2684, 2989, 3223, 3234, 3416, 3516, 4026, 4102, 4312, 4697, 5124, 5368, 5978, 6153, 6446, 6468, 7032, 8052, 8204, 8967, 9394, 9669, 10248, 11956, 12306, 12892, 12936, 14091, 14357, 16104, 16408, 17873, 17934, 18788, 19338, 22561, 23912, 24612, 25784, 28182, 28714, 32879, 35746, 35868, 37576, 38676, 43071, 45122, 49224, 53619, 56364, 57428, 65758, 67683, 71492, 71736, 77352, 86142, 90244, 98637, 107238, 112728, 114856, 125111, 131516, 135366, 142984, 157927, 172284, 180488, 196603, 197274, 214476, 250222, 263032, 270732, 315854, 344568, 375333, 393206, 394548, 428952, 473781, 500444, 541464, 589809, 631708, 750666, 786412, 789096, 875777, 947562, 1000888, 1179618, 1263416, 1376221, 1501332, 1572824, 1751554, 1895124, 2359236, 2627331, 2752442, 3002664, 3503108, 3790248, 4128663, 4718472, 5254662, 5504884, 7006216, 8257326, 9633547, 10509324, 11009768, 16514652, 19267094, 21018648, 28900641, 33029304, 38534188, 57801282, 77068376, 115602564, 231205128]

約数ペア:
[(1, 231205128), (2, 115602564), (3, 77068376), (4, 57801282), (6, 38534188), (7, 33029304), (8, 28900641), (11, 21018648), (12, 19267094), (14, 16514652), (21, 11009768), (22, 10509324), (24, 9633547), (28, 8257326), (33, 7006216), (42, 5504884), (44, 5254662), (49, 4718472), (56, 4128663), (61, 3790248), (66, 3503108), (77, 3002664), (84, 2752442), (88, 2627331), (98, 2359236), (122, 1895124), (132, 1751554), (147, 1572824), (154, 1501332), (168, 1376221), (183, 1263416), (196, 1179618), (231, 1000888), (244, 947562), (264, 875777), (293, 789096), (294, 786412), (308, 750666), (366, 631708), (392, 589809), (427, 541464), (462, 500444), (488, 473781), (539, 428952), (586, 394548), (588, 393206), (616, 375333), (671, 344568), (732, 315854), (854, 270732), (879, 263032), (924, 250222), (1078, 214476), (1172, 197274), (1176, 196603), (1281, 180488), (1342, 172284), (1464, 157927), (1617, 142984), (1708, 135366), (1758, 131516), (1848, 125111), (2013, 114856), (2051, 112728), (2156, 107238), (2344, 98637), (2562, 90244), (2684, 86142), (2989, 77352), (3223, 71736), (3234, 71492), (3416, 67683), (3516, 65758), (4026, 57428), (4102, 56364), (4312, 53619), (4697, 49224), (5124, 45122), (5368, 43071), (5978, 38676), (6153, 37576), (6446, 35868), (6468, 35746), (7032, 32879), (8052, 28714), (8204, 28182), (8967, 25784), (9394, 24612), (9669, 23912), (10248, 22561), (11956, 19338), (12306, 18788), (12892, 17934), (12936, 17873), (14091, 16408), (14357, 16104)]

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