206768940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 683434752

約数和(自身を除く): 476665812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 107, 129, 140, 172, 210, 214, 215, 258, 301, 321, 420, 428, 430, 516, 535, 602, 642, 645, 749, 860, 903, 1070, 1204, 1284, 1290, 1498, 1505, 1605, 1806, 2140, 2247, 2580, 2996, 3010, 3210, 3612, 3745, 4494, 4515, 4601, 6020, 6420, 7490, 8988, 9030, 9202, 11235, 11449, 13803, 14980, 18060, 18404, 22470, 22898, 23005, 27606, 32207, 34347, 44940, 45796, 46010, 55212, 57245, 64414, 68694, 69015, 80143, 92020, 96621, 114490, 128828, 137388, 138030, 160286, 161035, 171735, 193242, 228980, 240429, 276060, 320572, 322070, 343470, 386484, 400715, 480858, 483105, 492307, 644140, 686940, 801430, 961716, 966210, 984614, 1202145, 1476921, 1602860, 1932420, 1969228, 2404290, 2461535, 2953842, 3446149, 4808580, 4923070, 5907684, 6892298, 7384605, 9846140, 10338447, 13784596, 14769210, 17230745, 20676894, 29538420, 34461490, 41353788, 51692235, 68922980, 103384470, 206768940]

約数ペア:

[(1, 206768940), (2, 103384470), (3, 68922980), (4, 51692235), (5, 41353788), (6, 34461490), (7, 29538420), (10, 20676894), (12, 17230745), (14, 14769210), (15, 13784596), (20, 10338447), (21, 9846140), (28, 7384605), (30, 6892298), (35, 5907684), (42, 4923070), (43, 4808580), (60, 3446149), (70, 2953842), (84, 2461535), (86, 2404290), (105, 1969228), (107, 1932420), (129, 1602860), (140, 1476921), (172, 1202145), (210, 984614), (214, 966210), (215, 961716), (258, 801430), (301, 686940), (321, 644140), (420, 492307), (428, 483105), (430, 480858), (516, 400715), (535, 386484), (602, 343470), (642, 322070), (645, 320572), (749, 276060), (860, 240429), (903, 228980), (1070, 193242), (1204, 171735), (1284, 161035), (1290, 160286), (1498, 138030), (1505, 137388), (1605, 128828), (1806, 114490), (2140, 96621), (2247, 92020), (2580, 80143), (2996, 69015), (3010, 68694), (3210, 64414), (3612, 57245), (3745, 55212), (4494, 46010), (4515, 45796), (4601, 44940), (6020, 34347), (6420, 32207), (7490, 27606), (8988, 23005), (9030, 22898), (9202, 22470), (11235, 18404), (11449, 18060), (13803, 14980)]