About the Number

1380494048

1380494047 ← → 1380494049

2進数表記:1010010010010001010101011100000

漢数字表記:十三億八千四十九万四千四十八

素因数分解:

2 5 × 197 1 × 218987 1

素因数の和:219194
約数の個数: 24
約数和(自身を含む): 2731656312
約数和(自身を除く): 1351162264

約数列:
[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 6304, 218987, 437974, 875948, 1751896, 3503792, 7007584, 43140439, 86280878, 172561756, 345123512, 690247024, 1380494048]

約数ペア:
[(1, 1380494048), (2, 690247024), (4, 345123512), (8, 172561756), (16, 86280878), (32, 43140439), (197, 7007584), (394, 3503792), (788, 1751896), (1576, 875948), (3152, 437974), (6304, 218987)]

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