200920090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 440055504

約数和(自身を除く): 239135414

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 73, 82, 98, 137, 146, 205, 245, 274, 287, 365, 410, 490, 511, 574, 685, 730, 959, 1022, 1370, 1435, 1918, 2009, 2555, 2870, 2993, 3577, 4018, 4795, 5110, 5617, 5986, 6713, 7154, 9590, 10001, 10045, 11234, 13426, 14965, 17885, 20002, 20090, 20951, 28085, 29930, 33565, 35770, 39319, 41902, 50005, 56170, 67130, 70007, 78638, 100010, 104755, 140014, 146657, 196595, 209510, 275233, 293314, 350035, 393190, 410041, 490049, 550466, 700070, 733285, 820082, 980098, 1376165, 1466570, 2050205, 2450245, 2752330, 2870287, 4100410, 4900490, 5740574, 14351435, 20092009, 28702870, 40184018, 100460045, 200920090]

約数ペア:

[(1, 200920090), (2, 100460045), (5, 40184018), (7, 28702870), (10, 20092009), (14, 14351435), (35, 5740574), (41, 4900490), (49, 4100410), (70, 2870287), (73, 2752330), (82, 2450245), (98, 2050205), (137, 1466570), (146, 1376165), (205, 980098), (245, 820082), (274, 733285), (287, 700070), (365, 550466), (410, 490049), (490, 410041), (511, 393190), (574, 350035), (685, 293314), (730, 275233), (959, 209510), (1022, 196595), (1370, 146657), (1435, 140014), (1918, 104755), (2009, 100010), (2555, 78638), (2870, 70007), (2993, 67130), (3577, 56170), (4018, 50005), (4795, 41902), (5110, 39319), (5617, 35770), (5986, 33565), (6713, 29930), (7154, 28085), (9590, 20951), (10001, 20090), (10045, 20002), (11234, 17885), (13426, 14965)]