128545340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83471}}^1$

素因数の和:83498

約数の個数: 48

約数和(自身を含む): 336559104

約数和(自身を除く): 208013764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 83471, 166942, 333884, 417355, 584297, 834710, 918181, 1168594, 1669420, 1836362, 2337188, 2921485, 3672724, 4590905, 5842970, 6427267, 9181810, 11685940, 12854534, 18363620, 25709068, 32136335, 64272670, 128545340]

約数ペア:

[(1, 128545340), (2, 64272670), (4, 32136335), (5, 25709068), (7, 18363620), (10, 12854534), (11, 11685940), (14, 9181810), (20, 6427267), (22, 5842970), (28, 4590905), (35, 3672724), (44, 2921485), (55, 2337188), (70, 1836362), (77, 1669420), (110, 1168594), (140, 918181), (154, 834710), (220, 584297), (308, 417355), (385, 333884), (770, 166942), (1540, 83471)]