About the Number

1289741490

1289741489 ← → 1289741491

2進数表記:1001100110111111110010010110010

漢数字表記:十二億八千九百七十四万千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 14330461 1

素因数の和:14330474
約数の個数: 24
約数和(自身を含む): 3353328108
約数和(自身を除く): 2063586618

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 14330461, 28660922, 42991383, 71652305, 85982766, 128974149, 143304610, 214956915, 257948298, 429913830, 644870745, 1289741490]

約数ペア:
[(1, 1289741490), (2, 644870745), (3, 429913830), (5, 257948298), (6, 214956915), (9, 143304610), (10, 128974149), (15, 85982766), (18, 71652305), (30, 42991383), (45, 28660922), (90, 14330461)]

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