About the Number

30990990

30990989 ← → 30990991

2進数表記:1110110001110001010001110

漢数字表記:三千九十九万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 1033033 1

素因数の和:1033043
約数の個数: 16
約数和(自身を含む): 74378448
約数和(自身を除く): 43387458

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1033033, 2066066, 3099099, 5165165, 6198198, 10330330, 15495495, 30990990]

約数ペア:
[(1, 30990990), (2, 15495495), (3, 10330330), (5, 6198198), (6, 5165165), (10, 3099099), (15, 2066066), (30, 1033033)]

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