About the Number

131901030

131901029 ← → 131901031

2進数表記:111110111001010011001100110

漢数字表記:一億三千百九十万千三十

素因数分解:

2 1 × 3 2 × 5 1 × 1465567 1

素因数の和:1465580
約数の個数: 24
約数和(自身を含む): 342942912
約数和(自身を除く): 211041882

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1465567, 2931134, 4396701, 7327835, 8793402, 13190103, 14655670, 21983505, 26380206, 43967010, 65950515, 131901030]

約数ペア:
[(1, 131901030), (2, 65950515), (3, 43967010), (5, 26380206), (6, 21983505), (9, 14655670), (10, 13190103), (15, 8793402), (18, 7327835), (30, 4396701), (45, 2931134), (90, 1465567)]

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