About the Number

2981040

2981039 ← → 2981041

2進数表記:1011010111110010110000

漢数字表記:二百九十八万千四十

素因数分解:

2 4 × 3 1 × 5 1 × 12421 1

素因数の和:12437
約数の個数: 40
約数和(自身を含む): 9241968
約数和(自身を除く): 6260928

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 12421, 24842, 37263, 49684, 62105, 74526, 99368, 124210, 149052, 186315, 198736, 248420, 298104, 372630, 496840, 596208, 745260, 993680, 1490520, 2981040]

約数ペア:
[(1, 2981040), (2, 1490520), (3, 993680), (4, 745260), (5, 596208), (6, 496840), (8, 372630), (10, 298104), (12, 248420), (15, 198736), (16, 186315), (20, 149052), (24, 124210), (30, 99368), (40, 74526), (48, 62105), (60, 49684), (80, 37263), (120, 24842), (240, 12421)]

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