About the Number

28968290

28968289 ← → 28968291

2進数表記:1101110100000010101100010

漢数字表記:二千八百九十六万八千二百九十

素因数分解:

2 1 × 5 1 × 13 2 × 61 1 × 281 1

素因数の和:375
約数の個数: 48
約数和(自身を含む): 57592296
約数和(自身を除く): 28624006

約数列:
[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 281, 305, 338, 562, 610, 793, 845, 1405, 1586, 1690, 2810, 3653, 3965, 7306, 7930, 10309, 17141, 18265, 20618, 34282, 36530, 47489, 51545, 85705, 94978, 103090, 171410, 222833, 237445, 445666, 474890, 1114165, 2228330, 2896829, 5793658, 14484145, 28968290]

約数ペア:
[(1, 28968290), (2, 14484145), (5, 5793658), (10, 2896829), (13, 2228330), (26, 1114165), (61, 474890), (65, 445666), (122, 237445), (130, 222833), (169, 171410), (281, 103090), (305, 94978), (338, 85705), (562, 51545), (610, 47489), (793, 36530), (845, 34282), (1405, 20618), (1586, 18265), (1690, 17141), (2810, 10309), (3653, 7930), (3965, 7306)]

このpageの処理時間: 0.22851276397705078 seconds