485209760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 1344470400

約数和(自身を除く): 859260640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 199, 224, 245, 280, 311, 392, 398, 490, 560, 622, 784, 796, 980, 995, 1120, 1244, 1393, 1555, 1568, 1592, 1960, 1990, 2177, 2488, 2786, 3110, 3184, 3920, 3980, 4354, 4976, 5572, 6220, 6368, 6965, 7840, 7960, 8708, 9751, 9952, 10885, 11144, 12440, 13930, 15239, 15920, 17416, 19502, 21770, 22288, 24880, 27860, 30478, 31840, 34832, 39004, 43540, 44576, 48755, 49760, 55720, 60956, 61889, 69664, 76195, 78008, 87080, 97510, 111440, 121912, 123778, 152390, 156016, 174160, 195020, 222880, 243824, 247556, 304780, 309445, 312032, 348320, 390040, 433223, 487648, 495112, 609560, 618890, 780080, 866446, 990224, 1219120, 1237780, 1560160, 1732892, 1980448, 2166115, 2438240, 2475560, 3032561, 3465784, 4332230, 4951120, 6065122, 6931568, 8664460, 9902240, 12130244, 13863136, 15162805, 17328920, 24260488, 30325610, 34657840, 48520976, 60651220, 69315680, 97041952, 121302440, 242604880, 485209760]

約数ペア:

[(1, 485209760), (2, 242604880), (4, 121302440), (5, 97041952), (7, 69315680), (8, 60651220), (10, 48520976), (14, 34657840), (16, 30325610), (20, 24260488), (28, 17328920), (32, 15162805), (35, 13863136), (40, 12130244), (49, 9902240), (56, 8664460), (70, 6931568), (80, 6065122), (98, 4951120), (112, 4332230), (140, 3465784), (160, 3032561), (196, 2475560), (199, 2438240), (224, 2166115), (245, 1980448), (280, 1732892), (311, 1560160), (392, 1237780), (398, 1219120), (490, 990224), (560, 866446), (622, 780080), (784, 618890), (796, 609560), (980, 495112), (995, 487648), (1120, 433223), (1244, 390040), (1393, 348320), (1555, 312032), (1568, 309445), (1592, 304780), (1960, 247556), (1990, 243824), (2177, 222880), (2488, 195020), (2786, 174160), (3110, 156016), (3184, 152390), (3920, 123778), (3980, 121912), (4354, 111440), (4976, 97510), (5572, 87080), (6220, 78008), (6368, 76195), (6965, 69664), (7840, 61889), (7960, 60956), (8708, 55720), (9751, 49760), (9952, 48755), (10885, 44576), (11144, 43540), (12440, 39004), (13930, 34832), (15239, 31840), (15920, 30478), (17416, 27860), (19502, 24880), (21770, 22288)]