217636760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11503}}^1$

素因数の和:11568

約数の個数: 64

約数和(自身を含む): 546670080

約数和(自身を除く): 329033320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 11503, 18920, 23006, 46012, 57515, 92024, 115030, 126533, 230060, 253066, 460120, 494629, 506132, 632665, 989258, 1012264, 1265330, 1978516, 2473145, 2530660, 3957032, 4946290, 5061320, 5440919, 9892580, 10881838, 19785160, 21763676, 27204595, 43527352, 54409190, 108818380, 217636760]

約数ペア:

[(1, 217636760), (2, 108818380), (4, 54409190), (5, 43527352), (8, 27204595), (10, 21763676), (11, 19785160), (20, 10881838), (22, 9892580), (40, 5440919), (43, 5061320), (44, 4946290), (55, 3957032), (86, 2530660), (88, 2473145), (110, 1978516), (172, 1265330), (215, 1012264), (220, 989258), (344, 632665), (430, 506132), (440, 494629), (473, 460120), (860, 253066), (946, 230060), (1720, 126533), (1892, 115030), (2365, 92024), (3784, 57515), (4730, 46012), (9460, 23006), (11503, 18920)]