About the Number

129751890

129751889 ← → 129751891

2進数表記:111101110111101101101010010

漢数字表記:一億二千九百七十五万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 811 1 × 5333 1

素因数の和:6154
約数の個数: 32
約数和(自身を含む): 311846976
約数和(自身を除く): 182095086

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 811, 1622, 2433, 4055, 4866, 5333, 8110, 10666, 12165, 15999, 24330, 26665, 31998, 53330, 79995, 159990, 4325063, 8650126, 12975189, 21625315, 25950378, 43250630, 64875945, 129751890]

約数ペア:
[(1, 129751890), (2, 64875945), (3, 43250630), (5, 25950378), (6, 21625315), (10, 12975189), (15, 8650126), (30, 4325063), (811, 159990), (1622, 79995), (2433, 53330), (4055, 31998), (4866, 26665), (5333, 24330), (8110, 15999), (10666, 12165)]

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