About the Number

212872800

212872799 ← → 212872801

2進数表記:1100101100000010111001100000

漢数字表記:二億千二百八十七万二千八百

素因数分解:

2 5 × 3 1 × 5 2 × 7 1 × 12671 1

素因数の和:12701
約数の個数: 144
約数和(自身を含む): 791949312
約数和(自身を除く): 579076512

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 5600, 8400, 12671, 16800, 25342, 38013, 50684, 63355, 76026, 88697, 101368, 126710, 152052, 177394, 190065, 202736, 253420, 266091, 304104, 316775, 354788, 380130, 405472, 443485, 506840, 532182, 608208, 633550, 709576, 760260, 886970, 950325, 1013680, 1064364, 1216416, 1267100, 1330455, 1419152, 1520520, 1773940, 1900650, 2027360, 2128728, 2217425, 2534200, 2660910, 2838304, 3041040, 3547880, 3801300, 4257456, 4434850, 5068400, 5321820, 6082080, 6652275, 7095760, 7602600, 8514912, 8869700, 10136800, 10643640, 13304550, 14191520, 15205200, 17739400, 21287280, 26609100, 30410400, 35478800, 42574560, 53218200, 70957600, 106436400, 212872800]

約数ペア:
[(1, 212872800), (2, 106436400), (3, 70957600), (4, 53218200), (5, 42574560), (6, 35478800), (7, 30410400), (8, 26609100), (10, 21287280), (12, 17739400), (14, 15205200), (15, 14191520), (16, 13304550), (20, 10643640), (21, 10136800), (24, 8869700), (25, 8514912), (28, 7602600), (30, 7095760), (32, 6652275), (35, 6082080), (40, 5321820), (42, 5068400), (48, 4434850), (50, 4257456), (56, 3801300), (60, 3547880), (70, 3041040), (75, 2838304), (80, 2660910), (84, 2534200), (96, 2217425), (100, 2128728), (105, 2027360), (112, 1900650), (120, 1773940), (140, 1520520), (150, 1419152), (160, 1330455), (168, 1267100), (175, 1216416), (200, 1064364), (210, 1013680), (224, 950325), (240, 886970), (280, 760260), (300, 709576), (336, 633550), (350, 608208), (400, 532182), (420, 506840), (480, 443485), (525, 405472), (560, 380130), (600, 354788), (672, 316775), (700, 304104), (800, 266091), (840, 253420), (1050, 202736), (1120, 190065), (1200, 177394), (1400, 152052), (1680, 126710), (2100, 101368), (2400, 88697), (2800, 76026), (3360, 63355), (4200, 50684), (5600, 38013), (8400, 25342), (12671, 16800)]

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