211780156

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 491248800

約数和(自身を除く): 279468644

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 37, 38, 49, 53, 58, 74, 76, 98, 106, 116, 133, 148, 196, 203, 212, 259, 266, 371, 406, 518, 532, 551, 703, 742, 812, 931, 1007, 1036, 1073, 1102, 1406, 1421, 1484, 1537, 1813, 1862, 1961, 2014, 2146, 2204, 2597, 2812, 2842, 3074, 3626, 3724, 3857, 3922, 4028, 4292, 4921, 5194, 5684, 6148, 7049, 7252, 7511, 7714, 7844, 9842, 10388, 10759, 13727, 14098, 15022, 15428, 19684, 20387, 21518, 26999, 27454, 28196, 29203, 30044, 34447, 37259, 40774, 43036, 49343, 52577, 53998, 54908, 56869, 58406, 68894, 74518, 75313, 81548, 96089, 98686, 105154, 107996, 113738, 116812, 137788, 142709, 149036, 150626, 192178, 197372, 204421, 210308, 227476, 260813, 285418, 301252, 384356, 398083, 408842, 521626, 570836, 796166, 817684, 998963, 1043252, 1080511, 1430947, 1592332, 1825691, 1997926, 2161022, 2786581, 2861894, 3651382, 3995852, 4322044, 5573162, 5723788, 7302764, 7563577, 11146324, 15127154, 30254308, 52945039, 105890078, 211780156]

約数ペア:

[(1, 211780156), (2, 105890078), (4, 52945039), (7, 30254308), (14, 15127154), (19, 11146324), (28, 7563577), (29, 7302764), (37, 5723788), (38, 5573162), (49, 4322044), (53, 3995852), (58, 3651382), (74, 2861894), (76, 2786581), (98, 2161022), (106, 1997926), (116, 1825691), (133, 1592332), (148, 1430947), (196, 1080511), (203, 1043252), (212, 998963), (259, 817684), (266, 796166), (371, 570836), (406, 521626), (518, 408842), (532, 398083), (551, 384356), (703, 301252), (742, 285418), (812, 260813), (931, 227476), (1007, 210308), (1036, 204421), (1073, 197372), (1102, 192178), (1406, 150626), (1421, 149036), (1484, 142709), (1537, 137788), (1813, 116812), (1862, 113738), (1961, 107996), (2014, 105154), (2146, 98686), (2204, 96089), (2597, 81548), (2812, 75313), (2842, 74518), (3074, 68894), (3626, 58406), (3724, 56869), (3857, 54908), (3922, 53998), (4028, 52577), (4292, 49343), (4921, 43036), (5194, 40774), (5684, 37259), (6148, 34447), (7049, 30044), (7252, 29203), (7511, 28196), (7714, 27454), (7844, 26999), (9842, 21518), (10388, 20387), (10759, 19684), (13727, 15428), (14098, 15022)]