About the Number

117788990

117788989 ← → 117788991

2進数表記:111000001010101000100111110

漢数字表記:一億千七百七十八万八千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 433 1 × 2473 1

素因数の和:2924
約数の個数: 32
約数和(自身を含む): 231922656
約数和(自身を除く): 114133666

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 433, 866, 2165, 2473, 4330, 4763, 4946, 9526, 12365, 23815, 24730, 27203, 47630, 54406, 136015, 272030, 1070809, 2141618, 5354045, 10708090, 11778899, 23557798, 58894495, 117788990]

約数ペア:
[(1, 117788990), (2, 58894495), (5, 23557798), (10, 11778899), (11, 10708090), (22, 5354045), (55, 2141618), (110, 1070809), (433, 272030), (866, 136015), (2165, 54406), (2473, 47630), (4330, 27203), (4763, 24730), (4946, 23815), (9526, 12365)]

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