About the Number

201066990

201066989 ← → 201066991

2進数表記:1011111111000000100111101110

漢数字表記:二億百六万六千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 17 1 × 394249 1

素因数の和:394276
約数の個数: 32
約数和(自身を含む): 510948000
約数和(自身を除く): 309881010

約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 394249, 788498, 1182747, 1971245, 2365494, 3942490, 5913735, 6702233, 11827470, 13404466, 20106699, 33511165, 40213398, 67022330, 100533495, 201066990]

約数ペア:
[(1, 201066990), (2, 100533495), (3, 67022330), (5, 40213398), (6, 33511165), (10, 20106699), (15, 13404466), (17, 11827470), (30, 6702233), (34, 5913735), (51, 3942490), (85, 2365494), (102, 1971245), (170, 1182747), (255, 788498), (510, 394249)]

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