89410420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 205970688

約数和(自身を除く): 116560268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2063, 2167, 3940, 4126, 4334, 8252, 8668, 10315, 10835, 20630, 21670, 22693, 41260, 43340, 45386, 90772, 113465, 226930, 406411, 453860, 812822, 1625644, 2032055, 4064110, 4470521, 8128220, 8941042, 17882084, 22352605, 44705210, 89410420]

約数ペア:

[(1, 89410420), (2, 44705210), (4, 22352605), (5, 17882084), (10, 8941042), (11, 8128220), (20, 4470521), (22, 4064110), (44, 2032055), (55, 1625644), (110, 812822), (197, 453860), (220, 406411), (394, 226930), (788, 113465), (985, 90772), (1970, 45386), (2063, 43340), (2167, 41260), (3940, 22693), (4126, 21670), (4334, 20630), (8252, 10835), (8668, 10315)]