213092140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{11087}}^1$

素因数の和:11158

約数の個数: 36

約数和(自身を含む): 462436128

約数和(自身を除く): 249343988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 11087, 19220, 22174, 44348, 55435, 110870, 221740, 343697, 687394, 1374788, 1718485, 3436970, 6873940, 10654607, 21309214, 42618428, 53273035, 106546070, 213092140]

約数ペア:

[(1, 213092140), (2, 106546070), (4, 53273035), (5, 42618428), (10, 21309214), (20, 10654607), (31, 6873940), (62, 3436970), (124, 1718485), (155, 1374788), (310, 687394), (620, 343697), (961, 221740), (1922, 110870), (3844, 55435), (4805, 44348), (9610, 22174), (11087, 19220)]