About the Number

231131232

231131231 ← → 231131233

2進数表記:1101110001101100100001100000

漢数字表記:二億三千百十三万千二百三十二

素因数分解:

2 5 × 3 4 × 23 1 × 3877 1

素因数の和:3922
約数の個数: 120
約数和(自身を含む): 709487856
約数和(自身を除く): 478356624

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 3877, 4968, 6624, 7452, 7754, 9936, 11631, 14904, 15508, 19872, 23262, 29808, 31016, 34893, 46524, 59616, 62032, 69786, 89171, 93048, 104679, 124064, 139572, 178342, 186096, 209358, 267513, 279144, 314037, 356684, 372192, 418716, 535026, 558288, 628074, 713368, 802539, 837432, 1070052, 1116576, 1256148, 1426736, 1605078, 1674864, 2140104, 2407617, 2512296, 2853472, 3210156, 3349728, 4280208, 4815234, 5024592, 6420312, 7222851, 8560416, 9630468, 10049184, 12840624, 14445702, 19260936, 25681248, 28891404, 38521872, 57782808, 77043744, 115565616, 231131232]

約数ペア:
[(1, 231131232), (2, 115565616), (3, 77043744), (4, 57782808), (6, 38521872), (8, 28891404), (9, 25681248), (12, 19260936), (16, 14445702), (18, 12840624), (23, 10049184), (24, 9630468), (27, 8560416), (32, 7222851), (36, 6420312), (46, 5024592), (48, 4815234), (54, 4280208), (69, 3349728), (72, 3210156), (81, 2853472), (92, 2512296), (96, 2407617), (108, 2140104), (138, 1674864), (144, 1605078), (162, 1426736), (184, 1256148), (207, 1116576), (216, 1070052), (276, 837432), (288, 802539), (324, 713368), (368, 628074), (414, 558288), (432, 535026), (552, 418716), (621, 372192), (648, 356684), (736, 314037), (828, 279144), (864, 267513), (1104, 209358), (1242, 186096), (1296, 178342), (1656, 139572), (1863, 124064), (2208, 104679), (2484, 93048), (2592, 89171), (3312, 69786), (3726, 62032), (3877, 59616), (4968, 46524), (6624, 34893), (7452, 31016), (7754, 29808), (9936, 23262), (11631, 19872), (14904, 15508)]

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