About the Number

128400000

128399999 ← → 128400001

2進数表記:111101001110011101010000000

漢数字表記:一億二千八百四十万

素因数分解:

2 7 × 3 1 × 5 5 × 107 1

素因数の和:149
約数の個数: 192
約数和(自身を含む): 430284960
約数和(自身を除く): 301884960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 107, 120, 125, 128, 150, 160, 192, 200, 214, 240, 250, 300, 320, 321, 375, 384, 400, 428, 480, 500, 535, 600, 625, 640, 642, 750, 800, 856, 960, 1000, 1070, 1200, 1250, 1284, 1500, 1600, 1605, 1712, 1875, 1920, 2000, 2140, 2400, 2500, 2568, 2675, 3000, 3125, 3200, 3210, 3424, 3750, 4000, 4280, 4800, 5000, 5136, 5350, 6000, 6250, 6420, 6848, 7500, 8000, 8025, 8560, 9375, 9600, 10000, 10272, 10700, 12000, 12500, 12840, 13375, 13696, 15000, 16000, 16050, 17120, 18750, 20000, 20544, 21400, 24000, 25000, 25680, 26750, 30000, 32100, 34240, 37500, 40000, 40125, 41088, 42800, 48000, 50000, 51360, 53500, 60000, 64200, 66875, 68480, 75000, 80000, 80250, 85600, 100000, 102720, 107000, 120000, 128400, 133750, 150000, 160500, 171200, 200000, 200625, 205440, 214000, 240000, 256800, 267500, 300000, 321000, 334375, 342400, 400000, 401250, 428000, 513600, 535000, 600000, 642000, 668750, 802500, 856000, 1003125, 1027200, 1070000, 1200000, 1284000, 1337500, 1605000, 1712000, 2006250, 2140000, 2568000, 2675000, 3210000, 4012500, 4280000, 5136000, 5350000, 6420000, 8025000, 8560000, 10700000, 12840000, 16050000, 21400000, 25680000, 32100000, 42800000, 64200000, 128400000]

約数ペア:
[(1, 128400000), (2, 64200000), (3, 42800000), (4, 32100000), (5, 25680000), (6, 21400000), (8, 16050000), (10, 12840000), (12, 10700000), (15, 8560000), (16, 8025000), (20, 6420000), (24, 5350000), (25, 5136000), (30, 4280000), (32, 4012500), (40, 3210000), (48, 2675000), (50, 2568000), (60, 2140000), (64, 2006250), (75, 1712000), (80, 1605000), (96, 1337500), (100, 1284000), (107, 1200000), (120, 1070000), (125, 1027200), (128, 1003125), (150, 856000), (160, 802500), (192, 668750), (200, 642000), (214, 600000), (240, 535000), (250, 513600), (300, 428000), (320, 401250), (321, 400000), (375, 342400), (384, 334375), (400, 321000), (428, 300000), (480, 267500), (500, 256800), (535, 240000), (600, 214000), (625, 205440), (640, 200625), (642, 200000), (750, 171200), (800, 160500), (856, 150000), (960, 133750), (1000, 128400), (1070, 120000), (1200, 107000), (1250, 102720), (1284, 100000), (1500, 85600), (1600, 80250), (1605, 80000), (1712, 75000), (1875, 68480), (1920, 66875), (2000, 64200), (2140, 60000), (2400, 53500), (2500, 51360), (2568, 50000), (2675, 48000), (3000, 42800), (3125, 41088), (3200, 40125), (3210, 40000), (3424, 37500), (3750, 34240), (4000, 32100), (4280, 30000), (4800, 26750), (5000, 25680), (5136, 25000), (5350, 24000), (6000, 21400), (6250, 20544), (6420, 20000), (6848, 18750), (7500, 17120), (8000, 16050), (8025, 16000), (8560, 15000), (9375, 13696), (9600, 13375), (10000, 12840), (10272, 12500), (10700, 12000)]

このpageの処理時間: 0.005938053131103516 seconds