About the Number

312075990

312075989 ← → 312075991

2進数表記:10010100110011110011011010110

漢数字表記:三億千二百七万五千九百九十

素因数分解:

2 1 × 3 4 × 5 1 × 385279 1

素因数の和:385298
約数の個数: 40
約数和(自身を含む): 839139840
約数和(自身を除く): 527063850

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 385279, 770558, 1155837, 1926395, 2311674, 3467511, 3852790, 5779185, 6935022, 10402533, 11558370, 17337555, 20805066, 31207599, 34675110, 52012665, 62415198, 104025330, 156037995, 312075990]

約数ペア:
[(1, 312075990), (2, 156037995), (3, 104025330), (5, 62415198), (6, 52012665), (9, 34675110), (10, 31207599), (15, 20805066), (18, 17337555), (27, 11558370), (30, 10402533), (45, 6935022), (54, 5779185), (81, 3852790), (90, 3467511), (135, 2311674), (162, 1926395), (270, 1155837), (405, 770558), (810, 385279)]

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