About the Number

201128508

201128507 ← → 201128509

2進数表記:1011111111001111101000111100

漢数字表記:二億百十二万八千五百八

素因数分解:

2 2 × 3 4 × 7 1 × 88681 1

素因数の和:88704
約数の個数: 60
約数和(自身を含む): 600909232
約数和(自身を除く): 399780724

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 88681, 177362, 266043, 354724, 532086, 620767, 798129, 1064172, 1241534, 1596258, 1862301, 2394387, 2483068, 3192516, 3724602, 4788774, 5586903, 7183161, 7449204, 9577548, 11173806, 14366322, 16760709, 22347612, 28732644, 33521418, 50282127, 67042836, 100564254, 201128508]

約数ペア:
[(1, 201128508), (2, 100564254), (3, 67042836), (4, 50282127), (6, 33521418), (7, 28732644), (9, 22347612), (12, 16760709), (14, 14366322), (18, 11173806), (21, 9577548), (27, 7449204), (28, 7183161), (36, 5586903), (42, 4788774), (54, 3724602), (63, 3192516), (81, 2483068), (84, 2394387), (108, 1862301), (126, 1596258), (162, 1241534), (189, 1064172), (252, 798129), (324, 620767), (378, 532086), (567, 354724), (756, 266043), (1134, 177362), (2268, 88681)]

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