78831200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{2011}}^1$

素因数の和:2045

約数の個数: 108

約数和(自身を含む): 223977852

約数和(自身を除く): 145146652

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2011, 2450, 2800, 3920, 4022, 4900, 5600, 7840, 8044, 9800, 10055, 14077, 16088, 19600, 20110, 28154, 32176, 39200, 40220, 50275, 56308, 64352, 70385, 80440, 98539, 100550, 112616, 140770, 160880, 197078, 201100, 225232, 281540, 321760, 351925, 394156, 402200, 450464, 492695, 563080, 703850, 788312, 804400, 985390, 1126160, 1407700, 1576624, 1608800, 1970780, 2252320, 2463475, 2815400, 3153248, 3941560, 4926950, 5630800, 7883120, 9853900, 11261600, 15766240, 19707800, 39415600, 78831200]

約数ペア:

[(1, 78831200), (2, 39415600), (4, 19707800), (5, 15766240), (7, 11261600), (8, 9853900), (10, 7883120), (14, 5630800), (16, 4926950), (20, 3941560), (25, 3153248), (28, 2815400), (32, 2463475), (35, 2252320), (40, 1970780), (49, 1608800), (50, 1576624), (56, 1407700), (70, 1126160), (80, 985390), (98, 804400), (100, 788312), (112, 703850), (140, 563080), (160, 492695), (175, 450464), (196, 402200), (200, 394156), (224, 351925), (245, 321760), (280, 281540), (350, 225232), (392, 201100), (400, 197078), (490, 160880), (560, 140770), (700, 112616), (784, 100550), (800, 98539), (980, 80440), (1120, 70385), (1225, 64352), (1400, 56308), (1568, 50275), (1960, 40220), (2011, 39200), (2450, 32176), (2800, 28154), (3920, 20110), (4022, 19600), (4900, 16088), (5600, 14077), (7840, 10055), (8044, 9800)]