490147196

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 1183133952

約数和(自身を除く): 692986756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 43, 44, 49, 68, 77, 86, 98, 119, 154, 172, 187, 196, 238, 301, 308, 311, 374, 473, 476, 539, 602, 622, 731, 748, 833, 946, 1078, 1204, 1244, 1309, 1462, 1666, 1892, 2107, 2156, 2177, 2618, 2924, 3311, 3332, 3421, 4214, 4354, 5117, 5236, 5287, 6622, 6842, 8041, 8428, 8708, 9163, 10234, 10574, 13244, 13373, 13684, 15239, 16082, 18326, 20468, 21148, 23177, 23947, 26746, 30478, 32164, 35819, 36652, 37009, 46354, 47894, 53492, 56287, 58157, 60956, 71638, 74018, 92708, 93611, 95788, 112574, 116314, 143276, 147103, 148036, 167629, 187222, 225148, 227341, 232628, 259063, 294206, 335258, 374444, 394009, 407099, 454682, 518126, 588412, 655277, 670516, 788018, 814198, 909364, 1029721, 1036252, 1310554, 1576036, 1591387, 1628396, 2059442, 2500751, 2621108, 2849693, 3182774, 4118884, 5001502, 5699386, 6365548, 7208047, 10003004, 11139709, 11398772, 14416094, 17505257, 22279418, 28832188, 35010514, 44558836, 70021028, 122536799, 245073598, 490147196]

約数ペア:

[(1, 490147196), (2, 245073598), (4, 122536799), (7, 70021028), (11, 44558836), (14, 35010514), (17, 28832188), (22, 22279418), (28, 17505257), (34, 14416094), (43, 11398772), (44, 11139709), (49, 10003004), (68, 7208047), (77, 6365548), (86, 5699386), (98, 5001502), (119, 4118884), (154, 3182774), (172, 2849693), (187, 2621108), (196, 2500751), (238, 2059442), (301, 1628396), (308, 1591387), (311, 1576036), (374, 1310554), (473, 1036252), (476, 1029721), (539, 909364), (602, 814198), (622, 788018), (731, 670516), (748, 655277), (833, 588412), (946, 518126), (1078, 454682), (1204, 407099), (1244, 394009), (1309, 374444), (1462, 335258), (1666, 294206), (1892, 259063), (2107, 232628), (2156, 227341), (2177, 225148), (2618, 187222), (2924, 167629), (3311, 148036), (3332, 147103), (3421, 143276), (4214, 116314), (4354, 112574), (5117, 95788), (5236, 93611), (5287, 92708), (6622, 74018), (6842, 71638), (8041, 60956), (8428, 58157), (8708, 56287), (9163, 53492), (10234, 47894), (10574, 46354), (13244, 37009), (13373, 36652), (13684, 35819), (15239, 32164), (16082, 30478), (18326, 26746), (20468, 23947), (21148, 23177)]