About the Number

128426900

128426899 ← → 128426901

2進数表記:111101001111010001110010100

漢数字表記:一億二千八百四十二万六千九百

素因数分解:

2 2 × 5 2 × 7 1 × 271 1 × 677 1

素因数の和:969
約数の個数: 72
約数和(自身を含む): 320146176
約数和(自身を除く): 191719276

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 271, 350, 542, 677, 700, 1084, 1354, 1355, 1897, 2708, 2710, 3385, 3794, 4739, 5420, 6770, 6775, 7588, 9478, 9485, 13540, 13550, 16925, 18956, 18970, 23695, 27100, 33850, 37940, 47390, 47425, 67700, 94780, 94850, 118475, 183467, 189700, 236950, 366934, 473900, 733868, 917335, 1284269, 1834670, 2568538, 3669340, 4586675, 5137076, 6421345, 9173350, 12842690, 18346700, 25685380, 32106725, 64213450, 128426900]

約数ペア:
[(1, 128426900), (2, 64213450), (4, 32106725), (5, 25685380), (7, 18346700), (10, 12842690), (14, 9173350), (20, 6421345), (25, 5137076), (28, 4586675), (35, 3669340), (50, 2568538), (70, 1834670), (100, 1284269), (140, 917335), (175, 733868), (271, 473900), (350, 366934), (542, 236950), (677, 189700), (700, 183467), (1084, 118475), (1354, 94850), (1355, 94780), (1897, 67700), (2708, 47425), (2710, 47390), (3385, 37940), (3794, 33850), (4739, 27100), (5420, 23695), (6770, 18970), (6775, 18956), (7588, 16925), (9478, 13550), (9485, 13540)]

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