About the Number

201005380

201005379 ← → 201005381

2進数表記:1011111110110001100101000100

漢数字表記:二億百万五千三百八十

素因数分解:

2 2 × 5 1 × 29 1 × 346561 1

素因数の和:346599
約数の個数: 24
約数和(自身を含む): 436668120
約数和(自身を除く): 235662740

約数列:
[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 346561, 693122, 1386244, 1732805, 3465610, 6931220, 10050269, 20100538, 40201076, 50251345, 100502690, 201005380]

約数ペア:
[(1, 201005380), (2, 100502690), (4, 50251345), (5, 40201076), (10, 20100538), (20, 10050269), (29, 6931220), (58, 3465610), (116, 1732805), (145, 1386244), (290, 693122), (580, 346561)]

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