About the Number

201828990

201828989 ← → 201828991

2進数表記:1100000001111010101001111110

漢数字表記:二億百八十二万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 611603 1

素因数の和:611624
約数の個数: 32
約数和(自身を含む): 528425856
約数和(自身を除く): 326596866

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 611603, 1223206, 1834809, 3058015, 3669618, 6116030, 6727633, 9174045, 13455266, 18348090, 20182899, 33638165, 40365798, 67276330, 100914495, 201828990]

約数ペア:
[(1, 201828990), (2, 100914495), (3, 67276330), (5, 40365798), (6, 33638165), (10, 20182899), (11, 18348090), (15, 13455266), (22, 9174045), (30, 6727633), (33, 6116030), (55, 3669618), (66, 3058015), (110, 1834809), (165, 1223206), (330, 611603)]

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