248409440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 625532544

約数和(自身を除く): 377123104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 271, 272, 337, 340, 542, 544, 674, 680, 1084, 1348, 1355, 1360, 1685, 2168, 2696, 2710, 2720, 3370, 4336, 4607, 5392, 5420, 5729, 6740, 8672, 9214, 10784, 10840, 11458, 13480, 18428, 21680, 22916, 23035, 26960, 28645, 36856, 43360, 45832, 46070, 53920, 57290, 73712, 91327, 91664, 92140, 114580, 147424, 182654, 183328, 184280, 229160, 365308, 368560, 456635, 458320, 730616, 737120, 913270, 916640, 1461232, 1552559, 1826540, 2922464, 3105118, 3653080, 6210236, 7306160, 7762795, 12420472, 14612320, 15525590, 24840944, 31051180, 49681888, 62102360, 124204720, 248409440]

約数ペア:

[(1, 248409440), (2, 124204720), (4, 62102360), (5, 49681888), (8, 31051180), (10, 24840944), (16, 15525590), (17, 14612320), (20, 12420472), (32, 7762795), (34, 7306160), (40, 6210236), (68, 3653080), (80, 3105118), (85, 2922464), (136, 1826540), (160, 1552559), (170, 1461232), (271, 916640), (272, 913270), (337, 737120), (340, 730616), (542, 458320), (544, 456635), (674, 368560), (680, 365308), (1084, 229160), (1348, 184280), (1355, 183328), (1360, 182654), (1685, 147424), (2168, 114580), (2696, 92140), (2710, 91664), (2720, 91327), (3370, 73712), (4336, 57290), (4607, 53920), (5392, 46070), (5420, 45832), (5729, 43360), (6740, 36856), (8672, 28645), (9214, 26960), (10784, 23035), (10840, 22916), (11458, 21680), (13480, 18428)]