About the Number

210004890

210004889 ← → 210004891

2進数表記:1100100001000110101110011010

漢数字表記:二億千万四千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7000163 1

素因数の和:7000173
約数の個数: 16
約数和(自身を含む): 504011808
約数和(自身を除く): 294006918

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 7000163, 14000326, 21000489, 35000815, 42000978, 70001630, 105002445, 210004890]

約数ペア:
[(1, 210004890), (2, 105002445), (3, 70001630), (5, 42000978), (6, 35000815), (10, 21000489), (15, 14000326), (30, 7000163)]

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