About the Number

1389090

1389089 ← → 1389091

2進数表記:101010011001000100010

漢数字表記:百三十八万九千九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 2437 1

素因数の和:2466
約数の個数: 32
約数和(自身を含む): 3510720
約数和(自身を除く): 2121630

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 2437, 4874, 7311, 12185, 14622, 24370, 36555, 46303, 73110, 92606, 138909, 231515, 277818, 463030, 694545, 1389090]

約数ペア:
[(1, 1389090), (2, 694545), (3, 463030), (5, 277818), (6, 231515), (10, 138909), (15, 92606), (19, 73110), (30, 46303), (38, 36555), (57, 24370), (95, 14622), (114, 12185), (190, 7311), (285, 4874), (570, 2437)]

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