About the Number

979926980

979926979 ← → 979926981

2進数表記:111010011010000111111111000100

漢数字表記:九億七千九百九十二万六千九百八十

素因数分解:

2 2 × 5 1 × 97 1 × 505117 1

素因数の和:505223
約数の個数: 24
約数和(自身を含む): 2079065688
約数和(自身を除く): 1099138708

約数列:
[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 505117, 1010234, 2020468, 2525585, 5051170, 10102340, 48996349, 97992698, 195985396, 244981745, 489963490, 979926980]

約数ペア:
[(1, 979926980), (2, 489963490), (4, 244981745), (5, 195985396), (10, 97992698), (20, 48996349), (97, 10102340), (194, 5051170), (388, 2525585), (485, 2020468), (970, 1010234), (1940, 505117)]

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