209300560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 120

約数和(自身を含む): 572508000

約数和(自身を除く): 363207440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 107, 112, 140, 196, 214, 245, 280, 392, 428, 490, 499, 535, 560, 749, 784, 856, 980, 998, 1070, 1498, 1712, 1960, 1996, 2140, 2495, 2996, 3493, 3745, 3920, 3992, 4280, 4990, 5243, 5992, 6986, 7490, 7984, 8560, 9980, 10486, 11984, 13972, 14980, 17465, 19960, 20972, 24451, 26215, 27944, 29960, 34930, 39920, 41944, 48902, 52430, 53393, 55888, 59920, 69860, 83888, 97804, 104860, 106786, 122255, 139720, 195608, 209720, 213572, 244510, 266965, 279440, 373751, 391216, 419440, 427144, 489020, 533930, 747502, 854288, 978040, 1067860, 1495004, 1868755, 1956080, 2135720, 2616257, 2990008, 3737510, 4271440, 5232514, 5980016, 7475020, 10465028, 13081285, 14950040, 20930056, 26162570, 29900080, 41860112, 52325140, 104650280, 209300560]

約数ペア:

[(1, 209300560), (2, 104650280), (4, 52325140), (5, 41860112), (7, 29900080), (8, 26162570), (10, 20930056), (14, 14950040), (16, 13081285), (20, 10465028), (28, 7475020), (35, 5980016), (40, 5232514), (49, 4271440), (56, 3737510), (70, 2990008), (80, 2616257), (98, 2135720), (107, 1956080), (112, 1868755), (140, 1495004), (196, 1067860), (214, 978040), (245, 854288), (280, 747502), (392, 533930), (428, 489020), (490, 427144), (499, 419440), (535, 391216), (560, 373751), (749, 279440), (784, 266965), (856, 244510), (980, 213572), (998, 209720), (1070, 195608), (1498, 139720), (1712, 122255), (1960, 106786), (1996, 104860), (2140, 97804), (2495, 83888), (2996, 69860), (3493, 59920), (3745, 55888), (3920, 53393), (3992, 52430), (4280, 48902), (4990, 41944), (5243, 39920), (5992, 34930), (6986, 29960), (7490, 27944), (7984, 26215), (8560, 24451), (9980, 20972), (10486, 19960), (11984, 17465), (13972, 14980)]