About the Number

1997397120

1997397119 ← → 1997397121

2進数表記:1110111000011011101110010000000

漢数字表記:十九億九千七百三十九万七千百二十

素因数分解:

2 7 × 3 1 × 5 1 × 1040311 1

素因数の和:1040333
約数の個数: 64
約数和(自身を含む): 6366709440
約数和(自身を除く): 4369312320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 1040311, 2080622, 3120933, 4161244, 5201555, 6241866, 8322488, 10403110, 12483732, 15604665, 16644976, 20806220, 24967464, 31209330, 33289952, 41612440, 49934928, 62418660, 66579904, 83224880, 99869856, 124837320, 133159808, 166449760, 199739712, 249674640, 332899520, 399479424, 499349280, 665799040, 998698560, 1997397120]

約数ペア:
[(1, 1997397120), (2, 998698560), (3, 665799040), (4, 499349280), (5, 399479424), (6, 332899520), (8, 249674640), (10, 199739712), (12, 166449760), (15, 133159808), (16, 124837320), (20, 99869856), (24, 83224880), (30, 66579904), (32, 62418660), (40, 49934928), (48, 41612440), (60, 33289952), (64, 31209330), (80, 24967464), (96, 20806220), (120, 16644976), (128, 15604665), (160, 12483732), (192, 10403110), (240, 8322488), (320, 6241866), (384, 5201555), (480, 4161244), (640, 3120933), (960, 2080622), (1920, 1040311)]

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