About the Number

1320402288

1320402287 ← → 1320402289

2進数表記:1001110101100111011110101110000

漢数字表記:十三億二千四十万二千二百八十八

素因数分解:

2 4 × 3 1 × 113 1 × 243437 1

素因数の和:243561
約数の個数: 40
約数和(自身を含む): 3441239568
約数和(自身を除く): 2120837280

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 5424, 243437, 486874, 730311, 973748, 1460622, 1947496, 2921244, 3894992, 5842488, 11684976, 27508381, 55016762, 82525143, 110033524, 165050286, 220067048, 330100572, 440134096, 660201144, 1320402288]

約数ペア:
[(1, 1320402288), (2, 660201144), (3, 440134096), (4, 330100572), (6, 220067048), (8, 165050286), (12, 110033524), (16, 82525143), (24, 55016762), (48, 27508381), (113, 11684976), (226, 5842488), (339, 3894992), (452, 2921244), (678, 1947496), (904, 1460622), (1356, 973748), (1808, 730311), (2712, 486874), (5424, 243437)]

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