About the Number

90131970

90131969 ← → 90131971

2進数表記:101010111110100111000000010

漢数字表記:九千十三万千九百七十

素因数分解:

2 1 × 3 1 × 5 1 × 601 1 × 4999 1

素因数の和:5610
約数の個数: 32
約数和(自身を含む): 216720000
約数和(自身を除く): 126588030

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 601, 1202, 1803, 3005, 3606, 4999, 6010, 9015, 9998, 14997, 18030, 24995, 29994, 49990, 74985, 149970, 3004399, 6008798, 9013197, 15021995, 18026394, 30043990, 45065985, 90131970]

約数ペア:
[(1, 90131970), (2, 45065985), (3, 30043990), (5, 18026394), (6, 15021995), (10, 9013197), (15, 6008798), (30, 3004399), (601, 149970), (1202, 74985), (1803, 49990), (3005, 29994), (3606, 24995), (4999, 18030), (6010, 14997), (9015, 9998)]

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