208954680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 687398400

約数和(自身を除く): 478443720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 311, 330, 440, 509, 622, 660, 933, 1018, 1244, 1320, 1527, 1555, 1866, 2036, 2488, 2545, 3054, 3110, 3421, 3732, 4072, 4665, 5090, 5599, 6108, 6220, 6842, 7464, 7635, 9330, 10180, 10263, 11198, 12216, 12440, 13684, 15270, 16797, 17105, 18660, 20360, 20526, 22396, 27368, 27995, 30540, 33594, 34210, 37320, 41052, 44792, 51315, 55990, 61080, 67188, 68420, 82104, 83985, 102630, 111980, 134376, 136840, 158299, 167970, 205260, 223960, 316598, 335940, 410520, 474897, 633196, 671880, 791495, 949794, 1266392, 1582990, 1741289, 1899588, 2374485, 3165980, 3482578, 3799176, 4748970, 5223867, 6331960, 6965156, 8706445, 9497940, 10447734, 13930312, 17412890, 18995880, 20895468, 26119335, 34825780, 41790936, 52238670, 69651560, 104477340, 208954680]

約数ペア:

[(1, 208954680), (2, 104477340), (3, 69651560), (4, 52238670), (5, 41790936), (6, 34825780), (8, 26119335), (10, 20895468), (11, 18995880), (12, 17412890), (15, 13930312), (20, 10447734), (22, 9497940), (24, 8706445), (30, 6965156), (33, 6331960), (40, 5223867), (44, 4748970), (55, 3799176), (60, 3482578), (66, 3165980), (88, 2374485), (110, 1899588), (120, 1741289), (132, 1582990), (165, 1266392), (220, 949794), (264, 791495), (311, 671880), (330, 633196), (440, 474897), (509, 410520), (622, 335940), (660, 316598), (933, 223960), (1018, 205260), (1244, 167970), (1320, 158299), (1527, 136840), (1555, 134376), (1866, 111980), (2036, 102630), (2488, 83985), (2545, 82104), (3054, 68420), (3110, 67188), (3421, 61080), (3732, 55990), (4072, 51315), (4665, 44792), (5090, 41052), (5599, 37320), (6108, 34210), (6220, 33594), (6842, 30540), (7464, 27995), (7635, 27368), (9330, 22396), (10180, 20526), (10263, 20360), (11198, 18660), (12216, 17105), (12440, 16797), (13684, 15270)]