21892500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 180

約数和(自身を含む): 79599520

約数和(自身を除く): 57707020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 139, 140, 150, 175, 180, 210, 225, 250, 252, 278, 300, 315, 350, 375, 417, 420, 450, 500, 525, 556, 625, 630, 695, 700, 750, 834, 875, 900, 973, 1050, 1125, 1250, 1251, 1260, 1390, 1500, 1575, 1668, 1750, 1875, 1946, 2085, 2100, 2250, 2500, 2502, 2625, 2780, 2919, 3150, 3475, 3500, 3750, 3892, 4170, 4375, 4500, 4865, 5004, 5250, 5625, 5838, 6255, 6300, 6950, 7500, 7875, 8340, 8750, 8757, 9730, 10425, 10500, 11250, 11676, 12510, 13125, 13900, 14595, 15750, 17375, 17500, 17514, 19460, 20850, 22500, 24325, 25020, 26250, 29190, 31275, 31500, 34750, 35028, 39375, 41700, 43785, 48650, 52125, 52500, 58380, 62550, 69500, 72975, 78750, 86875, 87570, 97300, 104250, 121625, 125100, 145950, 156375, 157500, 173750, 175140, 208500, 218925, 243250, 260625, 291900, 312750, 347500, 364875, 437850, 486500, 521250, 608125, 625500, 729750, 781875, 875700, 1042500, 1094625, 1216250, 1459500, 1563750, 1824375, 2189250, 2432500, 3127500, 3648750, 4378500, 5473125, 7297500, 10946250, 21892500]

約数ペア:

[(1, 21892500), (2, 10946250), (3, 7297500), (4, 5473125), (5, 4378500), (6, 3648750), (7, 3127500), (9, 2432500), (10, 2189250), (12, 1824375), (14, 1563750), (15, 1459500), (18, 1216250), (20, 1094625), (21, 1042500), (25, 875700), (28, 781875), (30, 729750), (35, 625500), (36, 608125), (42, 521250), (45, 486500), (50, 437850), (60, 364875), (63, 347500), (70, 312750), (75, 291900), (84, 260625), (90, 243250), (100, 218925), (105, 208500), (125, 175140), (126, 173750), (139, 157500), (140, 156375), (150, 145950), (175, 125100), (180, 121625), (210, 104250), (225, 97300), (250, 87570), (252, 86875), (278, 78750), (300, 72975), (315, 69500), (350, 62550), (375, 58380), (417, 52500), (420, 52125), (450, 48650), (500, 43785), (525, 41700), (556, 39375), (625, 35028), (630, 34750), (695, 31500), (700, 31275), (750, 29190), (834, 26250), (875, 25020), (900, 24325), (973, 22500), (1050, 20850), (1125, 19460), (1250, 17514), (1251, 17500), (1260, 17375), (1390, 15750), (1500, 14595), (1575, 13900), (1668, 13125), (1750, 12510), (1875, 11676), (1946, 11250), (2085, 10500), (2100, 10425), (2250, 9730), (2500, 8757), (2502, 8750), (2625, 8340), (2780, 7875), (2919, 7500), (3150, 6950), (3475, 6300), (3500, 6255), (3750, 5838), (3892, 5625), (4170, 5250), (4375, 5004), (4500, 4865)]