About the Number

131738240

131738239 ← → 131738241

2進数表記:111110110100010101010000000

漢数字表記:一億三千百七十三万八千二百四十

素因数分解:

2 7 × 5 1 × 43 1 × 4787 1

素因数の和:4849
約数の個数: 64
約数和(自身を含む): 322328160
約数和(自身を除く): 190589920

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 4787, 5504, 6880, 9574, 13760, 19148, 23935, 27520, 38296, 47870, 76592, 95740, 153184, 191480, 205841, 306368, 382960, 411682, 612736, 765920, 823364, 1029205, 1531840, 1646728, 2058410, 3063680, 3293456, 4116820, 6586912, 8233640, 13173824, 16467280, 26347648, 32934560, 65869120, 131738240]

約数ペア:
[(1, 131738240), (2, 65869120), (4, 32934560), (5, 26347648), (8, 16467280), (10, 13173824), (16, 8233640), (20, 6586912), (32, 4116820), (40, 3293456), (43, 3063680), (64, 2058410), (80, 1646728), (86, 1531840), (128, 1029205), (160, 823364), (172, 765920), (215, 612736), (320, 411682), (344, 382960), (430, 306368), (640, 205841), (688, 191480), (860, 153184), (1376, 95740), (1720, 76592), (2752, 47870), (3440, 38296), (4787, 27520), (5504, 23935), (6880, 19148), (9574, 13760)]

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