About the Number

131131840

131131839 ← → 131131841

2進数表記:111110100001110100111000000

漢数字表記:一億三千百十三万千八百四十

素因数分解:

2 6 × 5 1 × 7 2 × 8363 1

素因数の和:8394
約数の個数: 84
約数和(自身を含む): 363281976
約数和(自身を除く): 232150136

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 8363, 15680, 16726, 33452, 41815, 58541, 66904, 83630, 117082, 133808, 167260, 234164, 267616, 292705, 334520, 409787, 468328, 535232, 585410, 669040, 819574, 936656, 1170820, 1338080, 1639148, 1873312, 2048935, 2341640, 2676160, 3278296, 3746624, 4097870, 4683280, 6556592, 8195740, 9366560, 13113184, 16391480, 18733120, 26226368, 32782960, 65565920, 131131840]

約数ペア:
[(1, 131131840), (2, 65565920), (4, 32782960), (5, 26226368), (7, 18733120), (8, 16391480), (10, 13113184), (14, 9366560), (16, 8195740), (20, 6556592), (28, 4683280), (32, 4097870), (35, 3746624), (40, 3278296), (49, 2676160), (56, 2341640), (64, 2048935), (70, 1873312), (80, 1639148), (98, 1338080), (112, 1170820), (140, 936656), (160, 819574), (196, 669040), (224, 585410), (245, 535232), (280, 468328), (320, 409787), (392, 334520), (448, 292705), (490, 267616), (560, 234164), (784, 167260), (980, 133808), (1120, 117082), (1568, 83630), (1960, 66904), (2240, 58541), (3136, 41815), (3920, 33452), (7840, 16726), (8363, 15680)]

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