About the Number

131430208

131430207 ← → 131430209

2進数表記:111110101010111011101000000

漢数字表記:一億三千百四十三万二百八

素因数分解:

2 6 × 7 1 × 13 1 × 22567 1

素因数の和:22599
約数の個数: 56
約数和(自身を含む): 321007232
約数和(自身を除く): 189577024

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 22567, 45134, 90268, 157969, 180536, 293371, 315938, 361072, 586742, 631876, 722144, 1173484, 1263752, 1444288, 2053597, 2346968, 2527504, 4107194, 4693936, 5055008, 8214388, 9387872, 10110016, 16428776, 18775744, 32857552, 65715104, 131430208]

約数ペア:
[(1, 131430208), (2, 65715104), (4, 32857552), (7, 18775744), (8, 16428776), (13, 10110016), (14, 9387872), (16, 8214388), (26, 5055008), (28, 4693936), (32, 4107194), (52, 2527504), (56, 2346968), (64, 2053597), (91, 1444288), (104, 1263752), (112, 1173484), (182, 722144), (208, 631876), (224, 586742), (364, 361072), (416, 315938), (448, 293371), (728, 180536), (832, 157969), (1456, 90268), (2912, 45134), (5824, 22567)]

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