216228760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491429}}^1$

素因数の和:491451

約数の個数: 32

約数和(自身を含む): 530744400

約数和(自身を除く): 314515640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 491429, 982858, 1965716, 2457145, 3931432, 4914290, 5405719, 9828580, 10811438, 19657160, 21622876, 27028595, 43245752, 54057190, 108114380, 216228760]

約数ペア:

[(1, 216228760), (2, 108114380), (4, 54057190), (5, 43245752), (8, 27028595), (10, 21622876), (11, 19657160), (20, 10811438), (22, 9828580), (40, 5405719), (44, 4914290), (55, 3931432), (88, 2457145), (110, 1965716), (220, 982858), (440, 491429)]