About the Number

387899930

387899929 ← → 387899931

2進数表記:10111000111101110001000011010

漢数字表記:三億八千七百八十九万九千九百三十

素因数分解:

2 1 × 5 1 × 11 1 × 47 1 × 75029 1

素因数の和:75094
約数の個数: 32
約数和(自身を含む): 777911040
約数和(自身を除く): 390011110

約数列:
[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 5170, 75029, 150058, 375145, 750290, 825319, 1650638, 3526363, 4126595, 7052726, 8253190, 17631815, 35263630, 38789993, 77579986, 193949965, 387899930]

約数ペア:
[(1, 387899930), (2, 193949965), (5, 77579986), (10, 38789993), (11, 35263630), (22, 17631815), (47, 8253190), (55, 7052726), (94, 4126595), (110, 3526363), (235, 1650638), (470, 825319), (517, 750290), (1034, 375145), (2585, 150058), (5170, 75029)]

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