1393700

素因数分解:

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

素因数の和:213

約数の個数: 72

約数和(自身を含む): 3791424

約数和(自身を除く): 2397724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 181, 220, 275, 308, 350, 362, 385, 550, 700, 724, 770, 905, 1100, 1267, 1540, 1810, 1925, 1991, 2534, 3620, 3850, 3982, 4525, 5068, 6335, 7700, 7964, 9050, 9955, 12670, 13937, 18100, 19910, 25340, 27874, 31675, 39820, 49775, 55748, 63350, 69685, 99550, 126700, 139370, 199100, 278740, 348425, 696850, 1393700]

約数ペア:

[(1, 1393700), (2, 696850), (4, 348425), (5, 278740), (7, 199100), (10, 139370), (11, 126700), (14, 99550), (20, 69685), (22, 63350), (25, 55748), (28, 49775), (35, 39820), (44, 31675), (50, 27874), (55, 25340), (70, 19910), (77, 18100), (100, 13937), (110, 12670), (140, 9955), (154, 9050), (175, 7964), (181, 7700), (220, 6335), (275, 5068), (308, 4525), (350, 3982), (362, 3850), (385, 3620), (550, 2534), (700, 1991), (724, 1925), (770, 1810), (905, 1540), (1100, 1267)]