About the Number

139720128

139720127 ← → 139720129

2進数表記:1000010100111111010111000000

漢数字表記:一億三千九百七十二万百二十八

素因数分解:

2 6 × 3 1 × 41 1 × 17749 1

素因数の和:17805
約数の個数: 56
約数和(自身を含む): 378714000
約数和(自身を除く): 238993872

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 3936, 7872, 17749, 35498, 53247, 70996, 106494, 141992, 212988, 283984, 425976, 567968, 727709, 851952, 1135936, 1455418, 1703904, 2183127, 2910836, 3407808, 4366254, 5821672, 8732508, 11643344, 17465016, 23286688, 34930032, 46573376, 69860064, 139720128]

約数ペア:
[(1, 139720128), (2, 69860064), (3, 46573376), (4, 34930032), (6, 23286688), (8, 17465016), (12, 11643344), (16, 8732508), (24, 5821672), (32, 4366254), (41, 3407808), (48, 2910836), (64, 2183127), (82, 1703904), (96, 1455418), (123, 1135936), (164, 851952), (192, 727709), (246, 567968), (328, 425976), (492, 283984), (656, 212988), (984, 141992), (1312, 106494), (1968, 70996), (2624, 53247), (3936, 35498), (7872, 17749)]

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