About the Number

2908990

2908989 ← → 2908991

2進数表記:1011000110001100111110

漢数字表記:二百九十万八千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 29 1 × 1433 1

素因数の和:1476
約数の個数: 32
約数和(自身を含む): 6194880
約数和(自身を除く): 3285890

約数列:
[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 1433, 2030, 2866, 7165, 10031, 14330, 20062, 41557, 50155, 83114, 100310, 207785, 290899, 415570, 581798, 1454495, 2908990]

約数ペア:
[(1, 2908990), (2, 1454495), (5, 581798), (7, 415570), (10, 290899), (14, 207785), (29, 100310), (35, 83114), (58, 50155), (70, 41557), (145, 20062), (203, 14330), (290, 10031), (406, 7165), (1015, 2866), (1433, 2030)]

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