278390196

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1091

約数の個数: 120

約数和(自身を含む): 838977216

約数和(自身を除く): 560587020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 131, 162, 189, 252, 262, 324, 378, 393, 524, 567, 756, 786, 917, 937, 1134, 1179, 1572, 1834, 1874, 2268, 2358, 2751, 2811, 3537, 3668, 3748, 4716, 5502, 5622, 6559, 7074, 8253, 8433, 10611, 11004, 11244, 13118, 14148, 16506, 16866, 19677, 21222, 24759, 25299, 26236, 33012, 33732, 39354, 42444, 49518, 50598, 59031, 74277, 75897, 78708, 99036, 101196, 118062, 122747, 148554, 151794, 177093, 236124, 245494, 297108, 303588, 354186, 368241, 490988, 531279, 708372, 736482, 859229, 1062558, 1104723, 1472964, 1718458, 2125116, 2209446, 2577687, 3314169, 3436916, 4418892, 5155374, 6628338, 7733061, 9942507, 10310748, 13256676, 15466122, 19885014, 23199183, 30932244, 39770028, 46398366, 69597549, 92796732, 139195098, 278390196]

約数ペア:

[(1, 278390196), (2, 139195098), (3, 92796732), (4, 69597549), (6, 46398366), (7, 39770028), (9, 30932244), (12, 23199183), (14, 19885014), (18, 15466122), (21, 13256676), (27, 10310748), (28, 9942507), (36, 7733061), (42, 6628338), (54, 5155374), (63, 4418892), (81, 3436916), (84, 3314169), (108, 2577687), (126, 2209446), (131, 2125116), (162, 1718458), (189, 1472964), (252, 1104723), (262, 1062558), (324, 859229), (378, 736482), (393, 708372), (524, 531279), (567, 490988), (756, 368241), (786, 354186), (917, 303588), (937, 297108), (1134, 245494), (1179, 236124), (1572, 177093), (1834, 151794), (1874, 148554), (2268, 122747), (2358, 118062), (2751, 101196), (2811, 99036), (3537, 78708), (3668, 75897), (3748, 74277), (4716, 59031), (5502, 50598), (5622, 49518), (6559, 42444), (7074, 39354), (8253, 33732), (8433, 33012), (10611, 26236), (11004, 25299), (11244, 24759), (13118, 21222), (14148, 19677), (16506, 16866)]