About the Number

12303990

12303989 ← → 12303991

2進数表記:101110111011111001110110

漢数字表記:千二百三十万三千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 136711 1

素因数の和:136724
約数の個数: 24
約数和(自身を含む): 31990608
約数和(自身を除く): 19686618

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 136711, 273422, 410133, 683555, 820266, 1230399, 1367110, 2050665, 2460798, 4101330, 6151995, 12303990]

約数ペア:
[(1, 12303990), (2, 6151995), (3, 4101330), (5, 2460798), (6, 2050665), (9, 1367110), (10, 1230399), (15, 820266), (18, 683555), (30, 410133), (45, 273422), (90, 136711)]

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