399366552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 1121218560

約数和(自身を除く): 721852008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 157, 186, 248, 263, 312, 314, 372, 403, 471, 526, 628, 744, 789, 806, 942, 1052, 1209, 1256, 1578, 1612, 1884, 2041, 2104, 2418, 3156, 3224, 3419, 3768, 4082, 4836, 4867, 6123, 6312, 6838, 8153, 8164, 9672, 9734, 10257, 12246, 13676, 14601, 16306, 16328, 19468, 20514, 24459, 24492, 27352, 29202, 32612, 38936, 41028, 41291, 48918, 48984, 58404, 63271, 65224, 82056, 82582, 97836, 105989, 116808, 123873, 126542, 165164, 189813, 195672, 211978, 247746, 253084, 317967, 330328, 379626, 423956, 495492, 506168, 536783, 635934, 759252, 847912, 990984, 1073566, 1271868, 1280021, 1518504, 1610349, 2147132, 2543736, 2560042, 3220698, 3840063, 4294264, 5120084, 6441396, 7680126, 10240168, 12882792, 15360252, 16640273, 30720504, 33280546, 49920819, 66561092, 99841638, 133122184, 199683276, 399366552]

約数ペア:

[(1, 399366552), (2, 199683276), (3, 133122184), (4, 99841638), (6, 66561092), (8, 49920819), (12, 33280546), (13, 30720504), (24, 16640273), (26, 15360252), (31, 12882792), (39, 10240168), (52, 7680126), (62, 6441396), (78, 5120084), (93, 4294264), (104, 3840063), (124, 3220698), (156, 2560042), (157, 2543736), (186, 2147132), (248, 1610349), (263, 1518504), (312, 1280021), (314, 1271868), (372, 1073566), (403, 990984), (471, 847912), (526, 759252), (628, 635934), (744, 536783), (789, 506168), (806, 495492), (942, 423956), (1052, 379626), (1209, 330328), (1256, 317967), (1578, 253084), (1612, 247746), (1884, 211978), (2041, 195672), (2104, 189813), (2418, 165164), (3156, 126542), (3224, 123873), (3419, 116808), (3768, 105989), (4082, 97836), (4836, 82582), (4867, 82056), (6123, 65224), (6312, 63271), (6838, 58404), (8153, 48984), (8164, 48918), (9672, 41291), (9734, 41028), (10257, 38936), (12246, 32612), (13676, 29202), (14601, 27352), (16306, 24492), (16328, 24459), (19468, 20514)]