About the Number

9720990

9720989 ← → 9720991

2進数表記:100101000101010010011110

漢数字表記:九百七十二万九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 108011 1

素因数の和:108024
約数の個数: 24
約数和(自身を含む): 25274808
約数和(自身を除く): 15553818

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 108011, 216022, 324033, 540055, 648066, 972099, 1080110, 1620165, 1944198, 3240330, 4860495, 9720990]

約数ペア:
[(1, 9720990), (2, 4860495), (3, 3240330), (5, 1944198), (6, 1620165), (9, 1080110), (10, 972099), (15, 648066), (18, 540055), (30, 324033), (45, 216022), (90, 108011)]

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