About the Number

201987110

201987109 ← → 201987111

2進数表記:1100000010100001010000100110

漢数字表記:二億百九十八万七千百十

素因数分解:

2 1 × 5 1 × 13 2 × 107 1 × 1117 1

素因数の和:1257
約数の個数: 48
約数和(自身を含む): 397730736
約数和(自身を除く): 195743626

約数列:
[1, 2, 5, 10, 13, 26, 65, 107, 130, 169, 214, 338, 535, 845, 1070, 1117, 1391, 1690, 2234, 2782, 5585, 6955, 11170, 13910, 14521, 18083, 29042, 36166, 72605, 90415, 119519, 145210, 180830, 188773, 239038, 377546, 597595, 943865, 1195190, 1553747, 1887730, 3107494, 7768735, 15537470, 20198711, 40397422, 100993555, 201987110]

約数ペア:
[(1, 201987110), (2, 100993555), (5, 40397422), (10, 20198711), (13, 15537470), (26, 7768735), (65, 3107494), (107, 1887730), (130, 1553747), (169, 1195190), (214, 943865), (338, 597595), (535, 377546), (845, 239038), (1070, 188773), (1117, 180830), (1391, 145210), (1690, 119519), (2234, 90415), (2782, 72605), (5585, 36166), (6955, 29042), (11170, 18083), (13910, 14521)]

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