About the Number

131808630

131808629 ← → 131808631

2進数表記:111110110110011110101110110

漢数字表記:一億三千百八十万八千六百三十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 191027 1

素因数の和:191060
約数の個数: 32
約数和(自身を含む): 330096384
約数和(自身を除く): 198287754

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 191027, 382054, 573081, 955135, 1146162, 1910270, 2865405, 4393621, 5730810, 8787242, 13180863, 21968105, 26361726, 43936210, 65904315, 131808630]

約数ペア:
[(1, 131808630), (2, 65904315), (3, 43936210), (5, 26361726), (6, 21968105), (10, 13180863), (15, 8787242), (23, 5730810), (30, 4393621), (46, 2865405), (69, 1910270), (115, 1146162), (138, 955135), (230, 573081), (345, 382054), (690, 191027)]

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