About the Number

201090390

201090389 ← → 201090391

2進数表記:1011111111000110010101010110

漢数字表記:二億百九万三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 179 1 × 37447 1

素因数の和:37636
約数の個数: 32
約数和(自身を含む): 485326080
約数和(自身を除く): 284235690

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 179, 358, 537, 895, 1074, 1790, 2685, 5370, 37447, 74894, 112341, 187235, 224682, 374470, 561705, 1123410, 6703013, 13406026, 20109039, 33515065, 40218078, 67030130, 100545195, 201090390]

約数ペア:
[(1, 201090390), (2, 100545195), (3, 67030130), (5, 40218078), (6, 33515065), (10, 20109039), (15, 13406026), (30, 6703013), (179, 1123410), (358, 561705), (537, 374470), (895, 224682), (1074, 187235), (1790, 112341), (2685, 74894), (5370, 37447)]

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