About the Number

2116721240

2116721239 ← → 2116721241

2進数表記:1111110001010101001101001011000

漢数字表記:二十一億千六百七十二万千二百四十

素因数分解:

2 3 × 5 1 × 137 1 × 386263 1

素因数の和:386411
約数の個数: 32
約数和(自身を含む): 4797398880
約数和(自身を除く): 2680677640

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 386263, 772526, 1545052, 1931315, 3090104, 3862630, 7725260, 15450520, 52918031, 105836062, 211672124, 264590155, 423344248, 529180310, 1058360620, 2116721240]

約数ペア:
[(1, 2116721240), (2, 1058360620), (4, 529180310), (5, 423344248), (8, 264590155), (10, 211672124), (20, 105836062), (40, 52918031), (137, 15450520), (274, 7725260), (548, 3862630), (685, 3090104), (1096, 1931315), (1370, 1545052), (2740, 772526), (5480, 386263)]

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