About the Number

127989690

127989689 ← → 127989691

2進数表記:111101000001111011110111010

漢数字表記:一億二千七百九十八万九千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 1109 1 × 3847 1

素因数の和:4966
約数の個数: 32
約数和(自身を含む): 307532160
約数和(自身を除く): 179542470

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1109, 2218, 3327, 3847, 5545, 6654, 7694, 11090, 11541, 16635, 19235, 23082, 33270, 38470, 57705, 115410, 4266323, 8532646, 12798969, 21331615, 25597938, 42663230, 63994845, 127989690]

約数ペア:
[(1, 127989690), (2, 63994845), (3, 42663230), (5, 25597938), (6, 21331615), (10, 12798969), (15, 8532646), (30, 4266323), (1109, 115410), (2218, 57705), (3327, 38470), (3847, 33270), (5545, 23082), (6654, 19235), (7694, 16635), (11090, 11541)]

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