289381070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 590417856

約数和(自身を除く): 301036786

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 97, 110, 185, 194, 370, 407, 485, 733, 814, 970, 1067, 1466, 2035, 2134, 3589, 3665, 4070, 5335, 7178, 7330, 8063, 10670, 16126, 17945, 27121, 35890, 39479, 40315, 54242, 71101, 78958, 80630, 135605, 142202, 197395, 271210, 298331, 355505, 394790, 596662, 711010, 782111, 1491655, 1564222, 2630737, 2983310, 3910555, 5261474, 7821110, 13153685, 26307370, 28938107, 57876214, 144690535, 289381070]

約数ペア:

[(1, 289381070), (2, 144690535), (5, 57876214), (10, 28938107), (11, 26307370), (22, 13153685), (37, 7821110), (55, 5261474), (74, 3910555), (97, 2983310), (110, 2630737), (185, 1564222), (194, 1491655), (370, 782111), (407, 711010), (485, 596662), (733, 394790), (814, 355505), (970, 298331), (1067, 271210), (1466, 197395), (2035, 142202), (2134, 135605), (3589, 80630), (3665, 78958), (4070, 71101), (5335, 54242), (7178, 40315), (7330, 39479), (8063, 35890), (10670, 27121), (16126, 17945)]