About the Number

9782990

9782989 ← → 9782991

2進数表記:100101010100011011001110

漢数字表記:九百七十八万二千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 17 1 × 8221 1

素因数の和:8252
約数の個数: 32
約数和(自身を含む): 21311424
約数和(自身を除く): 11528434

約数列:
[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 8221, 16442, 41105, 57547, 82210, 115094, 139757, 279514, 287735, 575470, 698785, 978299, 1397570, 1956598, 4891495, 9782990]

約数ペア:
[(1, 9782990), (2, 4891495), (5, 1956598), (7, 1397570), (10, 978299), (14, 698785), (17, 575470), (34, 287735), (35, 279514), (70, 139757), (85, 115094), (119, 82210), (170, 57547), (238, 41105), (595, 16442), (1190, 8221)]

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