About the Number

1982000

1981999 ← → 1982001

2進数表記:111100011111000110000

漢数字表記:百九十八万二千

素因数分解:

2 4 × 5 3 × 991 1

素因数の和:1014
約数の個数: 40
約数和(自身を含む): 4797312
約数和(自身を除く): 2815312

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 991, 1000, 1982, 2000, 3964, 4955, 7928, 9910, 15856, 19820, 24775, 39640, 49550, 79280, 99100, 123875, 198200, 247750, 396400, 495500, 991000, 1982000]

約数ペア:
[(1, 1982000), (2, 991000), (4, 495500), (5, 396400), (8, 247750), (10, 198200), (16, 123875), (20, 99100), (25, 79280), (40, 49550), (50, 39640), (80, 24775), (100, 19820), (125, 15856), (200, 9910), (250, 7928), (400, 4955), (500, 3964), (991, 2000), (1000, 1982)]

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