About the Number

200309989

200309988 ← → 200309990

2進数表記:1011111100000111110011100101

漢数字表記:二億三十万九千九百八十九

素因数分解:

11 1 × 19 1 × 29 1 × 33049 1

素因数の和:33108
約数の個数: 16
約数和(自身を含む): 237960000
約数和(自身を除く): 37650011

約数列:
[1, 11, 19, 29, 209, 319, 551, 6061, 33049, 363539, 627931, 958421, 6907241, 10542631, 18209999, 200309989]

約数ペア:
[(1, 200309989), (11, 18209999), (19, 10542631), (29, 6907241), (209, 958421), (319, 627931), (551, 363539), (6061, 33049)]

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