About the Number

138251440

138251439 ← → 138251441

2進数表記:1000001111011000110010110000

漢数字表記:一億三千八百二十五万千四百四十

素因数分解:

2 4 × 5 1 × 47 1 × 83 1 × 443 1

素因数の和:586
約数の個数: 80
約数和(自身を含む): 332978688
約数和(自身を除く): 194727248

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 83, 94, 166, 188, 235, 332, 376, 415, 443, 470, 664, 752, 830, 886, 940, 1328, 1660, 1772, 1880, 2215, 3320, 3544, 3760, 3901, 4430, 6640, 7088, 7802, 8860, 15604, 17720, 19505, 20821, 31208, 35440, 36769, 39010, 41642, 62416, 73538, 78020, 83284, 104105, 147076, 156040, 166568, 183845, 208210, 294152, 312080, 333136, 367690, 416420, 588304, 735380, 832840, 1470760, 1665680, 1728143, 2941520, 3456286, 6912572, 8640715, 13825144, 17281430, 27650288, 34562860, 69125720, 138251440]

約数ペア:
[(1, 138251440), (2, 69125720), (4, 34562860), (5, 27650288), (8, 17281430), (10, 13825144), (16, 8640715), (20, 6912572), (40, 3456286), (47, 2941520), (80, 1728143), (83, 1665680), (94, 1470760), (166, 832840), (188, 735380), (235, 588304), (332, 416420), (376, 367690), (415, 333136), (443, 312080), (470, 294152), (664, 208210), (752, 183845), (830, 166568), (886, 156040), (940, 147076), (1328, 104105), (1660, 83284), (1772, 78020), (1880, 73538), (2215, 62416), (3320, 41642), (3544, 39010), (3760, 36769), (3901, 35440), (4430, 31208), (6640, 20821), (7088, 19505), (7802, 17720), (8860, 15604)]

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