About the Number

48912990

48912989 ← → 48912991

2進数表記:10111010100101101001011110

漢数字表記:四千八百九十一万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 232919 1

素因数の和:232936
約数の個数: 32
約数和(自身を含む): 134161920
約数和(自身を除く): 85248930

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 232919, 465838, 698757, 1164595, 1397514, 1630433, 2329190, 3260866, 3493785, 4891299, 6987570, 8152165, 9782598, 16304330, 24456495, 48912990]

約数ペア:
[(1, 48912990), (2, 24456495), (3, 16304330), (5, 9782598), (6, 8152165), (7, 6987570), (10, 4891299), (14, 3493785), (15, 3260866), (21, 2329190), (30, 1630433), (35, 1397514), (42, 1164595), (70, 698757), (105, 465838), (210, 232919)]

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