About the Number

128250

128249 ← → 128251

2進数表記:11111010011111010

漢数字表記:十二万八千二百五十

素因数分解:

2 1 × 3 3 × 5 3 × 19 1

素因数の和:45
約数の個数: 64
約数和(自身を含む): 374400
約数和(自身を除く): 246150

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 125, 135, 150, 171, 190, 225, 250, 270, 285, 342, 375, 450, 475, 513, 570, 675, 750, 855, 950, 1026, 1125, 1350, 1425, 1710, 2250, 2375, 2565, 2850, 3375, 4275, 4750, 5130, 6750, 7125, 8550, 12825, 14250, 21375, 25650, 42750, 64125, 128250]

約数ペア:
[(1, 128250), (2, 64125), (3, 42750), (5, 25650), (6, 21375), (9, 14250), (10, 12825), (15, 8550), (18, 7125), (19, 6750), (25, 5130), (27, 4750), (30, 4275), (38, 3375), (45, 2850), (50, 2565), (54, 2375), (57, 2250), (75, 1710), (90, 1425), (95, 1350), (114, 1125), (125, 1026), (135, 950), (150, 855), (171, 750), (190, 675), (225, 570), (250, 513), (270, 475), (285, 450), (342, 375)]

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