About the Number

138764280

138764279 ← → 138764281

2進数表記:1000010001010101111111111000

漢数字表記:一億三千八百七十六万四千二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 1156369 1

素因数の和:1156383
約数の個数: 32
約数和(自身を含む): 416293200
約数和(自身を除く): 277528920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1156369, 2312738, 3469107, 4625476, 5781845, 6938214, 9250952, 11563690, 13876428, 17345535, 23127380, 27752856, 34691070, 46254760, 69382140, 138764280]

約数ペア:
[(1, 138764280), (2, 69382140), (3, 46254760), (4, 34691070), (5, 27752856), (6, 23127380), (8, 17345535), (10, 13876428), (12, 11563690), (15, 9250952), (20, 6938214), (24, 5781845), (30, 4625476), (40, 3469107), (60, 2312738), (120, 1156369)]

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