About the Number

201216290

201216289 ← → 201216291

2進数表記:1011111111100101000100100010

漢数字表記:二億百二十一万六千二百九十

素因数分解:

2 1 × 5 1 × 11 1 × 467 1 × 3917 1

素因数の和:4402
約数の個数: 32
約数和(自身を含む): 396062784
約数和(自身を除く): 194846494

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 467, 934, 2335, 3917, 4670, 5137, 7834, 10274, 19585, 25685, 39170, 43087, 51370, 86174, 215435, 430870, 1829239, 3658478, 9146195, 18292390, 20121629, 40243258, 100608145, 201216290]

約数ペア:
[(1, 201216290), (2, 100608145), (5, 40243258), (10, 20121629), (11, 18292390), (22, 9146195), (55, 3658478), (110, 1829239), (467, 430870), (934, 215435), (2335, 86174), (3917, 51370), (4670, 43087), (5137, 39170), (7834, 25685), (10274, 19585)]

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