2000990068

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:786

約数の個数: 108

約数和(自身を含む): 4517063040

約数和(自身を除く): 2516072972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 139, 154, 196, 242, 278, 308, 484, 539, 556, 607, 847, 973, 1078, 1214, 1529, 1694, 1946, 2156, 2428, 3058, 3388, 3892, 4249, 5929, 6116, 6677, 6811, 8498, 10703, 11858, 13354, 13622, 16819, 16996, 21406, 23716, 26708, 27244, 29743, 33638, 42812, 46739, 59486, 67276, 73447, 74921, 84373, 93478, 117733, 118972, 146894, 149842, 168746, 186956, 235466, 293788, 299684, 327173, 337492, 470932, 514129, 590611, 654346, 824131, 928103, 1028258, 1181222, 1308692, 1648262, 1856206, 2056516, 2362444, 3296524, 3598903, 3712412, 4134277, 6496721, 7197806, 8268554, 10209133, 12993442, 14395612, 16537108, 20418266, 25986884, 40836532, 45477047, 71463931, 90954094, 142927862, 181908188, 285855724, 500247517, 1000495034, 2000990068]

約数ペア:

[(1, 2000990068), (2, 1000495034), (4, 500247517), (7, 285855724), (11, 181908188), (14, 142927862), (22, 90954094), (28, 71463931), (44, 45477047), (49, 40836532), (77, 25986884), (98, 20418266), (121, 16537108), (139, 14395612), (154, 12993442), (196, 10209133), (242, 8268554), (278, 7197806), (308, 6496721), (484, 4134277), (539, 3712412), (556, 3598903), (607, 3296524), (847, 2362444), (973, 2056516), (1078, 1856206), (1214, 1648262), (1529, 1308692), (1694, 1181222), (1946, 1028258), (2156, 928103), (2428, 824131), (3058, 654346), (3388, 590611), (3892, 514129), (4249, 470932), (5929, 337492), (6116, 327173), (6677, 299684), (6811, 293788), (8498, 235466), (10703, 186956), (11858, 168746), (13354, 149842), (13622, 146894), (16819, 118972), (16996, 117733), (21406, 93478), (23716, 84373), (26708, 74921), (27244, 73447), (29743, 67276), (33638, 59486), (42812, 46739)]