About the Number

2040983945

2040983944 ← → 2040983946

2進数表記:1111001101001101111000110001001

漢数字表記:二十億四千九十八万三千九百四十五

素因数分解:

5 1 × 7 1 × 11 1 × 13 1 × 407789 1

素因数の和:407825
約数の個数: 32
約数和(自身を含む): 3288418560
約数和(自身を除く): 1247434615

約数列:
[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 407789, 2038945, 2854523, 4485679, 5301257, 14272615, 22428395, 26506285, 31399753, 37108799, 58313827, 156998765, 185543995, 291569135, 408196789, 2040983945]

約数ペア:
[(1, 2040983945), (5, 408196789), (7, 291569135), (11, 185543995), (13, 156998765), (35, 58313827), (55, 37108799), (65, 31399753), (77, 26506285), (91, 22428395), (143, 14272615), (385, 5301257), (455, 4485679), (715, 2854523), (1001, 2038945), (5005, 407789)]

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