18922400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 54996480

約数和(自身を除く): 36074080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 109, 112, 124, 140, 155, 160, 175, 200, 217, 218, 224, 248, 280, 310, 350, 400, 434, 436, 496, 545, 560, 620, 700, 763, 775, 800, 868, 872, 992, 1085, 1090, 1120, 1240, 1400, 1526, 1550, 1736, 1744, 2170, 2180, 2480, 2725, 2800, 3052, 3100, 3379, 3472, 3488, 3815, 4340, 4360, 4960, 5425, 5450, 5600, 6104, 6200, 6758, 6944, 7630, 8680, 8720, 10850, 10900, 12208, 12400, 13516, 15260, 16895, 17360, 17440, 19075, 21700, 21800, 23653, 24416, 24800, 27032, 30520, 33790, 34720, 38150, 43400, 43600, 47306, 54064, 61040, 67580, 76300, 84475, 86800, 87200, 94612, 108128, 118265, 122080, 135160, 152600, 168950, 173600, 189224, 236530, 270320, 305200, 337900, 378448, 473060, 540640, 591325, 610400, 675800, 756896, 946120, 1182650, 1351600, 1892240, 2365300, 2703200, 3784480, 4730600, 9461200, 18922400]

約数ペア:

[(1, 18922400), (2, 9461200), (4, 4730600), (5, 3784480), (7, 2703200), (8, 2365300), (10, 1892240), (14, 1351600), (16, 1182650), (20, 946120), (25, 756896), (28, 675800), (31, 610400), (32, 591325), (35, 540640), (40, 473060), (50, 378448), (56, 337900), (62, 305200), (70, 270320), (80, 236530), (100, 189224), (109, 173600), (112, 168950), (124, 152600), (140, 135160), (155, 122080), (160, 118265), (175, 108128), (200, 94612), (217, 87200), (218, 86800), (224, 84475), (248, 76300), (280, 67580), (310, 61040), (350, 54064), (400, 47306), (434, 43600), (436, 43400), (496, 38150), (545, 34720), (560, 33790), (620, 30520), (700, 27032), (763, 24800), (775, 24416), (800, 23653), (868, 21800), (872, 21700), (992, 19075), (1085, 17440), (1090, 17360), (1120, 16895), (1240, 15260), (1400, 13516), (1526, 12400), (1550, 12208), (1736, 10900), (1744, 10850), (2170, 8720), (2180, 8680), (2480, 7630), (2725, 6944), (2800, 6758), (3052, 6200), (3100, 6104), (3379, 5600), (3472, 5450), (3488, 5425), (3815, 4960), (4340, 4360)]