209709720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{52957}}^1$

素因数の和:52985

約数の個数: 96

約数和(自身を含む): 743530320

約数和(自身を除く): 533820600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 52957, 105914, 158871, 211828, 264785, 317742, 423656, 476613, 529570, 582527, 635484, 794355, 953226, 1059140, 1165054, 1270968, 1588710, 1747581, 1906452, 2118280, 2330108, 2383065, 2912635, 3177420, 3495162, 3812904, 4660216, 4766130, 5242743, 5825270, 6354840, 6990324, 8737905, 9532260, 10485486, 11650540, 13980648, 17475810, 19064520, 20970972, 23301080, 26213715, 34951620, 41941944, 52427430, 69903240, 104854860, 209709720]

約数ペア:

[(1, 209709720), (2, 104854860), (3, 69903240), (4, 52427430), (5, 41941944), (6, 34951620), (8, 26213715), (9, 23301080), (10, 20970972), (11, 19064520), (12, 17475810), (15, 13980648), (18, 11650540), (20, 10485486), (22, 9532260), (24, 8737905), (30, 6990324), (33, 6354840), (36, 5825270), (40, 5242743), (44, 4766130), (45, 4660216), (55, 3812904), (60, 3495162), (66, 3177420), (72, 2912635), (88, 2383065), (90, 2330108), (99, 2118280), (110, 1906452), (120, 1747581), (132, 1588710), (165, 1270968), (180, 1165054), (198, 1059140), (220, 953226), (264, 794355), (330, 635484), (360, 582527), (396, 529570), (440, 476613), (495, 423656), (660, 317742), (792, 264785), (990, 211828), (1320, 158871), (1980, 105914), (3960, 52957)]