About the Number

129372224

129372223 ← → 129372225

2進数表記:111101101100001000001000000

漢数字表記:一億二千九百三十七万二千二百二十四

素因数分解:

2 6 × 71 2 × 401 1

素因数の和:555
約数の個数: 42
約数和(自身を含む): 261039102
約数和(自身を除く): 131666878

約数列:
[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 401, 568, 802, 1136, 1604, 2272, 3208, 4544, 5041, 6416, 10082, 12832, 20164, 25664, 28471, 40328, 56942, 80656, 113884, 161312, 227768, 322624, 455536, 911072, 1822144, 2021441, 4042882, 8085764, 16171528, 32343056, 64686112, 129372224]

約数ペア:
[(1, 129372224), (2, 64686112), (4, 32343056), (8, 16171528), (16, 8085764), (32, 4042882), (64, 2021441), (71, 1822144), (142, 911072), (284, 455536), (401, 322624), (568, 227768), (802, 161312), (1136, 113884), (1604, 80656), (2272, 56942), (3208, 40328), (4544, 28471), (5041, 25664), (6416, 20164), (10082, 12832)]

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