About the Number

231128120

231128119 ← → 231128121

2進数表記:1101110001101011110000111000

漢数字表記:二億三千百十二万八千百二十

素因数分解:

2 3 × 5 1 × 281 1 × 20563 1

素因数の和:20855
約数の個数: 32
約数和(自身を含む): 521914320
約数和(自身を除く): 290786200

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 20563, 41126, 82252, 102815, 164504, 205630, 411260, 822520, 5778203, 11556406, 23112812, 28891015, 46225624, 57782030, 115564060, 231128120]

約数ペア:
[(1, 231128120), (2, 115564060), (4, 57782030), (5, 46225624), (8, 28891015), (10, 23112812), (20, 11556406), (40, 5778203), (281, 822520), (562, 411260), (1124, 205630), (1405, 164504), (2248, 102815), (2810, 82252), (5620, 41126), (11240, 20563)]

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