About the Number

122931990

122931989 ← → 122931991

2進数表記:111010100111100101100010110

漢数字表記:一億二千二百九十三万千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1365911 1

素因数の和:1365924
約数の個数: 24
約数和(自身を含む): 319623408
約数和(自身を除く): 196691418

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1365911, 2731822, 4097733, 6829555, 8195466, 12293199, 13659110, 20488665, 24586398, 40977330, 61465995, 122931990]

約数ペア:
[(1, 122931990), (2, 61465995), (3, 40977330), (5, 24586398), (6, 20488665), (9, 13659110), (10, 12293199), (15, 8195466), (18, 6829555), (30, 4097733), (45, 2731822), (90, 1365911)]

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