About the Number

228121728

228121727 ← → 228121729

2進数表記:1101100110001101110010000000

漢数字表記:二億二千八百十二万千七百二十八

素因数分解:

2 7 × 3 1 × 23 2 × 1123 1

素因数の和:1186
約数の個数: 96
約数和(自身を含む): 634003440
約数和(自身を除く): 405881712

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 529, 552, 736, 1058, 1104, 1123, 1472, 1587, 2116, 2208, 2246, 2944, 3174, 3369, 4232, 4416, 4492, 6348, 6738, 8464, 8832, 8984, 12696, 13476, 16928, 17968, 25392, 25829, 26952, 33856, 35936, 50784, 51658, 53904, 67712, 71872, 77487, 101568, 103316, 107808, 143744, 154974, 203136, 206632, 215616, 309948, 413264, 431232, 594067, 619896, 826528, 1188134, 1239792, 1653056, 1782201, 2376268, 2479584, 3306112, 3564402, 4752536, 4959168, 7128804, 9505072, 9918336, 14257608, 19010144, 28515216, 38020288, 57030432, 76040576, 114060864, 228121728]

約数ペア:
[(1, 228121728), (2, 114060864), (3, 76040576), (4, 57030432), (6, 38020288), (8, 28515216), (12, 19010144), (16, 14257608), (23, 9918336), (24, 9505072), (32, 7128804), (46, 4959168), (48, 4752536), (64, 3564402), (69, 3306112), (92, 2479584), (96, 2376268), (128, 1782201), (138, 1653056), (184, 1239792), (192, 1188134), (276, 826528), (368, 619896), (384, 594067), (529, 431232), (552, 413264), (736, 309948), (1058, 215616), (1104, 206632), (1123, 203136), (1472, 154974), (1587, 143744), (2116, 107808), (2208, 103316), (2246, 101568), (2944, 77487), (3174, 71872), (3369, 67712), (4232, 53904), (4416, 51658), (4492, 50784), (6348, 35936), (6738, 33856), (8464, 26952), (8832, 25829), (8984, 25392), (12696, 17968), (13476, 16928)]

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