About the Number

201382890

201382889 ← → 201382891

2進数表記:1100000000001101101111101010

漢数字表記:二億百三十八万二千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 101 1 × 66463 1

素因数の和:66574
約数の個数: 32
約数和(自身を含む): 488111616
約数和(自身を除く): 286728726

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 66463, 132926, 199389, 332315, 398778, 664630, 996945, 1993890, 6712763, 13425526, 20138289, 33563815, 40276578, 67127630, 100691445, 201382890]

約数ペア:
[(1, 201382890), (2, 100691445), (3, 67127630), (5, 40276578), (6, 33563815), (10, 20138289), (15, 13425526), (30, 6712763), (101, 1993890), (202, 996945), (303, 664630), (505, 398778), (606, 332315), (1010, 199389), (1515, 132926), (3030, 66463)]

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