208907880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 653961600

約数和(自身を除く): 445053720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 173, 174, 232, 290, 346, 347, 348, 435, 519, 580, 692, 694, 696, 865, 870, 1038, 1041, 1160, 1384, 1388, 1730, 1735, 1740, 2076, 2082, 2595, 2776, 3460, 3470, 3480, 4152, 4164, 5017, 5190, 5205, 6920, 6940, 8328, 10034, 10063, 10380, 10410, 13880, 15051, 20068, 20126, 20760, 20820, 25085, 30102, 30189, 40136, 40252, 41640, 50170, 50315, 60031, 60204, 60378, 75255, 80504, 100340, 100630, 120062, 120408, 120756, 150510, 150945, 180093, 200680, 201260, 240124, 241512, 300155, 301020, 301890, 360186, 402520, 480248, 600310, 602040, 603780, 720372, 900465, 1200620, 1207560, 1440744, 1740899, 1800930, 2401240, 3481798, 3601860, 5222697, 6963596, 7203720, 8704495, 10445394, 13927192, 17408990, 20890788, 26113485, 34817980, 41781576, 52226970, 69635960, 104453940, 208907880]

約数ペア:

[(1, 208907880), (2, 104453940), (3, 69635960), (4, 52226970), (5, 41781576), (6, 34817980), (8, 26113485), (10, 20890788), (12, 17408990), (15, 13927192), (20, 10445394), (24, 8704495), (29, 7203720), (30, 6963596), (40, 5222697), (58, 3601860), (60, 3481798), (87, 2401240), (116, 1800930), (120, 1740899), (145, 1440744), (173, 1207560), (174, 1200620), (232, 900465), (290, 720372), (346, 603780), (347, 602040), (348, 600310), (435, 480248), (519, 402520), (580, 360186), (692, 301890), (694, 301020), (696, 300155), (865, 241512), (870, 240124), (1038, 201260), (1041, 200680), (1160, 180093), (1384, 150945), (1388, 150510), (1730, 120756), (1735, 120408), (1740, 120062), (2076, 100630), (2082, 100340), (2595, 80504), (2776, 75255), (3460, 60378), (3470, 60204), (3480, 60031), (4152, 50315), (4164, 50170), (5017, 41640), (5190, 40252), (5205, 40136), (6920, 30189), (6940, 30102), (8328, 25085), (10034, 20820), (10063, 20760), (10380, 20126), (10410, 20068), (13880, 15051)]