About the Number

201245728

201245727 ← → 201245729

2進数表記:1011111111101100010000100000

漢数字表記:二億百二十四万五千七百二十八

素因数分解:

2 5 × 17 2 × 47 1 × 463 1

素因数の和:554
約数の個数: 72
約数和(自身を含む): 430762752
約数和(自身を除く): 229517024

約数列:
[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 289, 376, 463, 544, 578, 752, 799, 926, 1156, 1504, 1598, 1852, 2312, 3196, 3704, 4624, 6392, 7408, 7871, 9248, 12784, 13583, 14816, 15742, 21761, 25568, 27166, 31484, 43522, 54332, 62968, 87044, 108664, 125936, 133807, 174088, 217328, 251872, 267614, 348176, 369937, 434656, 535228, 696352, 739874, 1070456, 1479748, 2140912, 2959496, 4281824, 5918992, 6288929, 11837984, 12577858, 25155716, 50311432, 100622864, 201245728]

約数ペア:
[(1, 201245728), (2, 100622864), (4, 50311432), (8, 25155716), (16, 12577858), (17, 11837984), (32, 6288929), (34, 5918992), (47, 4281824), (68, 2959496), (94, 2140912), (136, 1479748), (188, 1070456), (272, 739874), (289, 696352), (376, 535228), (463, 434656), (544, 369937), (578, 348176), (752, 267614), (799, 251872), (926, 217328), (1156, 174088), (1504, 133807), (1598, 125936), (1852, 108664), (2312, 87044), (3196, 62968), (3704, 54332), (4624, 43522), (6392, 31484), (7408, 27166), (7871, 25568), (9248, 21761), (12784, 15742), (13583, 14816)]

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