278375385596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{302989}}^1$

素因数の和:303187

約数の個数: 96

約数和(自身を含む): 643405324800

約数和(自身を除く): 365029939204

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 157, 209, 266, 308, 314, 418, 532, 628, 836, 1099, 1463, 1727, 2198, 2926, 2983, 3454, 4396, 5852, 5966, 6908, 11932, 12089, 20881, 24178, 32813, 41762, 48356, 65626, 83524, 131252, 229691, 302989, 459382, 605978, 918764, 1211956, 2120923, 3332879, 4241846, 5756791, 6665758, 8483692, 11513582, 13331516, 23027164, 23330153, 40297537, 46660306, 47569273, 63324701, 80595074, 93320612, 95138546, 126649402, 161190148, 190277092, 253298804, 332984911, 443272907, 523262003, 665969822, 886545814, 903816187, 1046524006, 1331939644, 1773091628, 1807632374, 2093048012, 3615264748, 3662834021, 6326713309, 7325668042, 9941978057, 12653426618, 14651336084, 19883956114, 25306853236, 39767912228, 69593846399, 139187692798, 278375385596]

約数ペア:

[(1, 278375385596), (2, 139187692798), (4, 69593846399), (7, 39767912228), (11, 25306853236), (14, 19883956114), (19, 14651336084), (22, 12653426618), (28, 9941978057), (38, 7325668042), (44, 6326713309), (76, 3662834021), (77, 3615264748), (133, 2093048012), (154, 1807632374), (157, 1773091628), (209, 1331939644), (266, 1046524006), (308, 903816187), (314, 886545814), (418, 665969822), (532, 523262003), (628, 443272907), (836, 332984911), (1099, 253298804), (1463, 190277092), (1727, 161190148), (2198, 126649402), (2926, 95138546), (2983, 93320612), (3454, 80595074), (4396, 63324701), (5852, 47569273), (5966, 46660306), (6908, 40297537), (11932, 23330153), (12089, 23027164), (20881, 13331516), (24178, 11513582), (32813, 8483692), (41762, 6665758), (48356, 5756791), (65626, 4241846), (83524, 3332879), (131252, 2120923), (229691, 1211956), (302989, 918764), (459382, 605978)]