About the Number

208067990

208067989 ← → 208067991

2進数表記:1100011001101101110110010110

漢数字表記:二億八百六万七千九百九十

素因数分解:

2 1 × 5 1 × 13 1 × 1097 1 × 1459 1

素因数の和:2576
約数の個数: 32
約数和(自身を含む): 403976160
約数和(自身を除く): 195908170

約数列:
[1, 2, 5, 10, 13, 26, 65, 130, 1097, 1459, 2194, 2918, 5485, 7295, 10970, 14261, 14590, 18967, 28522, 37934, 71305, 94835, 142610, 189670, 1600523, 3201046, 8002615, 16005230, 20806799, 41613598, 104033995, 208067990]

約数ペア:
[(1, 208067990), (2, 104033995), (5, 41613598), (10, 20806799), (13, 16005230), (26, 8002615), (65, 3201046), (130, 1600523), (1097, 189670), (1459, 142610), (2194, 94835), (2918, 71305), (5485, 37934), (7295, 28522), (10970, 18967), (14261, 14590)]

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