About the Number

201801090

201801089 ← → 201801091

2進数表記:1100000001110011110110000010

漢数字表記:二億百八十万千九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 354037 1

素因数の和:354066
約数の個数: 32
約数和(自身を含む): 509814720
約数和(自身を除く): 308013630

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 354037, 708074, 1062111, 1770185, 2124222, 3540370, 5310555, 6726703, 10621110, 13453406, 20180109, 33633515, 40360218, 67267030, 100900545, 201801090]

約数ペア:
[(1, 201801090), (2, 100900545), (3, 67267030), (5, 40360218), (6, 33633515), (10, 20180109), (15, 13453406), (19, 10621110), (30, 6726703), (38, 5310555), (57, 3540370), (95, 2124222), (114, 1770185), (190, 1062111), (285, 708074), (570, 354037)]

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