About the Number

138686928

138686927 ← → 138686929

2進数表記:1000010001000011000111010000

漢数字表記:一億三千八百六十八万六千九百二十八

素因数分解:

2 4 × 3 1 × 19 1 × 41 1 × 3709 1

素因数の和:3780
約数の個数: 80
約数和(自身を含む): 386433600
約数和(自身を除く): 247746672

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 41, 48, 57, 76, 82, 114, 123, 152, 164, 228, 246, 304, 328, 456, 492, 656, 779, 912, 984, 1558, 1968, 2337, 3116, 3709, 4674, 6232, 7418, 9348, 11127, 12464, 14836, 18696, 22254, 29672, 37392, 44508, 59344, 70471, 89016, 140942, 152069, 178032, 211413, 281884, 304138, 422826, 456207, 563768, 608276, 845652, 912414, 1127536, 1216552, 1691304, 1824828, 2433104, 2889311, 3382608, 3649656, 5778622, 7299312, 8667933, 11557244, 17335866, 23114488, 34671732, 46228976, 69343464, 138686928]

約数ペア:
[(1, 138686928), (2, 69343464), (3, 46228976), (4, 34671732), (6, 23114488), (8, 17335866), (12, 11557244), (16, 8667933), (19, 7299312), (24, 5778622), (38, 3649656), (41, 3382608), (48, 2889311), (57, 2433104), (76, 1824828), (82, 1691304), (114, 1216552), (123, 1127536), (152, 912414), (164, 845652), (228, 608276), (246, 563768), (304, 456207), (328, 422826), (456, 304138), (492, 281884), (656, 211413), (779, 178032), (912, 152069), (984, 140942), (1558, 89016), (1968, 70471), (2337, 59344), (3116, 44508), (3709, 37392), (4674, 29672), (6232, 22254), (7418, 18696), (9348, 14836), (11127, 12464)]

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