209010340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135721}}^1$

素因数の和:135748

約数の個数: 48

約数和(自身を含む): 547231104

約数和(自身を除く): 338220764

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, 135721, 271442, 542884, 678605, 950047, 1357210, 1492931, 1900094, 2714420, 2985862, 3800188, 4750235, 5971724, 7464655, 9500470, 10450517, 14929310, 19000940, 20901034, 29858620, 41802068, 52252585, 104505170, 209010340]

約数ペア:

[(1, 209010340), (2, 104505170), (4, 52252585), (5, 41802068), (7, 29858620), (10, 20901034), (11, 19000940), (14, 14929310), (20, 10450517), (22, 9500470), (28, 7464655), (35, 5971724), (44, 4750235), (55, 3800188), (70, 2985862), (77, 2714420), (110, 1900094), (140, 1492931), (154, 1357210), (220, 950047), (308, 678605), (385, 542884), (770, 271442), (1540, 135721)]