About the Number

130691990

130691989 ← → 130691991

2進数表記:111110010100011001110010110

漢数字表記:一億三千六十九万千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 13 1 × 91393 1

素因数の和:91424
約数の個数: 32
約数和(自身を含む): 276375456
約数和(自身を除く): 145683466

約数列:
[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 91393, 182786, 456965, 913930, 1005323, 1188109, 2010646, 2376218, 5026615, 5940545, 10053230, 11881090, 13069199, 26138398, 65345995, 130691990]

約数ペア:
[(1, 130691990), (2, 65345995), (5, 26138398), (10, 13069199), (11, 11881090), (13, 10053230), (22, 5940545), (26, 5026615), (55, 2376218), (65, 2010646), (110, 1188109), (130, 1005323), (143, 913930), (286, 456965), (715, 182786), (1430, 91393)]

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