About the Number

138869720

138869719 ← → 138869721

2進数表記:1000010001101111101111011000

漢数字表記:一億三千八百八十六万九千七百二十

素因数分解:

2 3 × 5 1 × 11 1 × 315613 1

素因数の和:315635
約数の個数: 32
約数和(自身を含む): 340863120
約数和(自身を除く): 201993400

約数列:
[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 315613, 631226, 1262452, 1578065, 2524904, 3156130, 3471743, 6312260, 6943486, 12624520, 13886972, 17358715, 27773944, 34717430, 69434860, 138869720]

約数ペア:
[(1, 138869720), (2, 69434860), (4, 34717430), (5, 27773944), (8, 17358715), (10, 13886972), (11, 12624520), (20, 6943486), (22, 6312260), (40, 3471743), (44, 3156130), (55, 2524904), (88, 1578065), (110, 1262452), (220, 631226), (440, 315613)]

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