557480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 1572480

約数和(自身を除く): 1015000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 181, 220, 280, 308, 362, 385, 440, 616, 724, 770, 905, 1267, 1448, 1540, 1810, 1991, 2534, 3080, 3620, 3982, 5068, 6335, 7240, 7964, 9955, 10136, 12670, 13937, 15928, 19910, 25340, 27874, 39820, 50680, 55748, 69685, 79640, 111496, 139370, 278740, 557480]

約数ペア:

[(1, 557480), (2, 278740), (4, 139370), (5, 111496), (7, 79640), (8, 69685), (10, 55748), (11, 50680), (14, 39820), (20, 27874), (22, 25340), (28, 19910), (35, 15928), (40, 13937), (44, 12670), (55, 10136), (56, 9955), (70, 7964), (77, 7240), (88, 6335), (110, 5068), (140, 3982), (154, 3620), (181, 3080), (220, 2534), (280, 1991), (308, 1810), (362, 1540), (385, 1448), (440, 1267), (616, 905), (724, 770)]