About the Number

130971990

130971989 ← → 130971991

2進数表記:111110011100111100101010110

漢数字表記:一億三千九十七万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 827 1 × 5279 1

素因数の和:6116
約数の個数: 32
約数和(自身を含む): 314772480
約数和(自身を除く): 183800490

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 827, 1654, 2481, 4135, 4962, 5279, 8270, 10558, 12405, 15837, 24810, 26395, 31674, 52790, 79185, 158370, 4365733, 8731466, 13097199, 21828665, 26194398, 43657330, 65485995, 130971990]

約数ペア:
[(1, 130971990), (2, 65485995), (3, 43657330), (5, 26194398), (6, 21828665), (10, 13097199), (15, 8731466), (30, 4365733), (827, 158370), (1654, 79185), (2481, 52790), (4135, 31674), (4962, 26395), (5279, 24810), (8270, 15837), (10558, 12405)]

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