273387884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 657807360

約数和(自身を除く): 384419476

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 31, 38, 44, 62, 76, 77, 121, 124, 133, 137, 154, 209, 217, 242, 266, 274, 308, 341, 418, 434, 484, 532, 548, 589, 682, 836, 847, 868, 959, 1178, 1364, 1463, 1507, 1694, 1918, 2299, 2356, 2387, 2603, 2926, 3014, 3388, 3751, 3836, 4123, 4247, 4598, 4774, 5206, 5852, 6028, 6479, 7502, 8246, 8494, 9196, 9548, 10412, 10549, 12958, 15004, 16093, 16492, 16577, 16988, 18221, 21098, 25916, 26257, 28633, 29729, 32186, 33154, 36442, 42196, 45353, 46717, 52514, 57266, 59458, 64372, 66308, 71269, 72884, 80693, 90706, 93434, 105028, 114532, 116039, 118916, 142538, 161386, 181412, 186868, 200431, 232078, 285076, 314963, 322772, 327019, 400862, 464156, 498883, 513887, 564851, 629926, 654038, 801724, 887623, 997766, 1027774, 1129702, 1259852, 1308076, 1775246, 1995532, 2055548, 2204741, 2259404, 3550492, 3597209, 4409482, 6213361, 7194418, 8818964, 9763853, 12426722, 14388836, 19527706, 24853444, 39055412, 68346971, 136693942, 273387884]

約数ペア:

[(1, 273387884), (2, 136693942), (4, 68346971), (7, 39055412), (11, 24853444), (14, 19527706), (19, 14388836), (22, 12426722), (28, 9763853), (31, 8818964), (38, 7194418), (44, 6213361), (62, 4409482), (76, 3597209), (77, 3550492), (121, 2259404), (124, 2204741), (133, 2055548), (137, 1995532), (154, 1775246), (209, 1308076), (217, 1259852), (242, 1129702), (266, 1027774), (274, 997766), (308, 887623), (341, 801724), (418, 654038), (434, 629926), (484, 564851), (532, 513887), (548, 498883), (589, 464156), (682, 400862), (836, 327019), (847, 322772), (868, 314963), (959, 285076), (1178, 232078), (1364, 200431), (1463, 186868), (1507, 181412), (1694, 161386), (1918, 142538), (2299, 118916), (2356, 116039), (2387, 114532), (2603, 105028), (2926, 93434), (3014, 90706), (3388, 80693), (3751, 72884), (3836, 71269), (4123, 66308), (4247, 64372), (4598, 59458), (4774, 57266), (5206, 52514), (5852, 46717), (6028, 45353), (6479, 42196), (7502, 36442), (8246, 33154), (8494, 32186), (9196, 29729), (9548, 28633), (10412, 26257), (10549, 25916), (12958, 21098), (15004, 18221), (16093, 16988), (16492, 16577)]