About the Number

202990144

202990143 ← → 202990145

2進数表記:1100000110010110001001000000

漢数字表記:二億二百九十九万百四十四

素因数分解:

2 6 × 7 4 × 1321 1

素因数の和:1361
約数の個数: 70
約数和(自身を含む): 470271094
約数和(自身を除く): 267280950

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 1321, 1372, 1568, 2401, 2642, 2744, 3136, 4802, 5284, 5488, 9247, 9604, 10568, 10976, 18494, 19208, 21136, 21952, 36988, 38416, 42272, 64729, 73976, 76832, 84544, 129458, 147952, 153664, 258916, 295904, 453103, 517832, 591808, 906206, 1035664, 1812412, 2071328, 3171721, 3624824, 4142656, 6343442, 7249648, 12686884, 14499296, 25373768, 28998592, 50747536, 101495072, 202990144]

約数ペア:
[(1, 202990144), (2, 101495072), (4, 50747536), (7, 28998592), (8, 25373768), (14, 14499296), (16, 12686884), (28, 7249648), (32, 6343442), (49, 4142656), (56, 3624824), (64, 3171721), (98, 2071328), (112, 1812412), (196, 1035664), (224, 906206), (343, 591808), (392, 517832), (448, 453103), (686, 295904), (784, 258916), (1321, 153664), (1372, 147952), (1568, 129458), (2401, 84544), (2642, 76832), (2744, 73976), (3136, 64729), (4802, 42272), (5284, 38416), (5488, 36988), (9247, 21952), (9604, 21136), (10568, 19208), (10976, 18494)]

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