About the Number

138918080

138918079 ← → 138918081

2進数表記:1000010001111011100011000000

漢数字表記:一億三千八百九十一万八千八十

素因数分解:

2 6 × 5 1 × 7 1 × 62017 1

素因数の和:62041
約数の個数: 56
約数和(自身を含む): 378061728
約数和(自身を除く): 239143648

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 62017, 124034, 248068, 310085, 434119, 496136, 620170, 868238, 992272, 1240340, 1736476, 1984544, 2170595, 2480680, 3472952, 3969088, 4341190, 4961360, 6945904, 8682380, 9922720, 13891808, 17364760, 19845440, 27783616, 34729520, 69459040, 138918080]

約数ペア:
[(1, 138918080), (2, 69459040), (4, 34729520), (5, 27783616), (7, 19845440), (8, 17364760), (10, 13891808), (14, 9922720), (16, 8682380), (20, 6945904), (28, 4961360), (32, 4341190), (35, 3969088), (40, 3472952), (56, 2480680), (64, 2170595), (70, 1984544), (80, 1736476), (112, 1240340), (140, 992272), (160, 868238), (224, 620170), (280, 496136), (320, 434119), (448, 310085), (560, 248068), (1120, 124034), (2240, 62017)]

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