About the Number

129952890

129952889 ← → 129952891

2進数表記:111101111101110110001111010

漢数字表記:一億二千九百九十五万二千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 481307 1

素因数の和:481323
約数の個数: 32
約数和(自身を含む): 346541760
約数和(自身を除く): 216588870

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 481307, 962614, 1443921, 2406535, 2887842, 4331763, 4813070, 7219605, 8663526, 12995289, 14439210, 21658815, 25990578, 43317630, 64976445, 129952890]

約数ペア:
[(1, 129952890), (2, 64976445), (3, 43317630), (5, 25990578), (6, 21658815), (9, 14439210), (10, 12995289), (15, 8663526), (18, 7219605), (27, 4813070), (30, 4331763), (45, 2887842), (54, 2406535), (90, 1443921), (135, 962614), (270, 481307)]

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