About the Number

201345820

201345819 ← → 201345821

2進数表記:1100000000000100101100011100

漢数字表記:二億百三十四万五千八百二十

素因数分解:

2 2 × 5 1 × 13 1 × 197 1 × 3931 1

素因数の和:4150
約数の個数: 48
約数和(自身を含む): 457779168
約数和(自身を除く): 256433348

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3931, 3940, 5122, 7862, 10244, 12805, 15724, 19655, 25610, 39310, 51103, 51220, 78620, 102206, 204412, 255515, 511030, 774407, 1022060, 1548814, 3097628, 3872035, 7744070, 10067291, 15488140, 20134582, 40269164, 50336455, 100672910, 201345820]

約数ペア:
[(1, 201345820), (2, 100672910), (4, 50336455), (5, 40269164), (10, 20134582), (13, 15488140), (20, 10067291), (26, 7744070), (52, 3872035), (65, 3097628), (130, 1548814), (197, 1022060), (260, 774407), (394, 511030), (788, 255515), (985, 204412), (1970, 102206), (2561, 78620), (3931, 51220), (3940, 51103), (5122, 39310), (7862, 25610), (10244, 19655), (12805, 15724)]

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