About the Number

31407040

31407039 ← → 31407041

2進数表記:1110111110011101111000000

漢数字表記:三千百四十万七千四十

素因数分解:

2 6 × 5 1 × 7 2 × 2003 1

素因数の和:2034
約数の個数: 84
約数和(自身を含む): 87041736
約数和(自身を除く): 55634696

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, 2003, 2240, 3136, 3920, 4006, 7840, 8012, 10015, 14021, 15680, 16024, 20030, 28042, 32048, 40060, 56084, 64096, 70105, 80120, 98147, 112168, 128192, 140210, 160240, 196294, 224336, 280420, 320480, 392588, 448672, 490735, 560840, 640960, 785176, 897344, 981470, 1121680, 1570352, 1962940, 2243360, 3140704, 3925880, 4486720, 6281408, 7851760, 15703520, 31407040]

約数ペア:
[(1, 31407040), (2, 15703520), (4, 7851760), (5, 6281408), (7, 4486720), (8, 3925880), (10, 3140704), (14, 2243360), (16, 1962940), (20, 1570352), (28, 1121680), (32, 981470), (35, 897344), (40, 785176), (49, 640960), (56, 560840), (64, 490735), (70, 448672), (80, 392588), (98, 320480), (112, 280420), (140, 224336), (160, 196294), (196, 160240), (224, 140210), (245, 128192), (280, 112168), (320, 98147), (392, 80120), (448, 70105), (490, 64096), (560, 56084), (784, 40060), (980, 32048), (1120, 28042), (1568, 20030), (1960, 16024), (2003, 15680), (2240, 14021), (3136, 10015), (3920, 8012), (4006, 7840)]

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