2005458424

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 3918831840

約数和(自身を除く): 1913373416

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 197, 202, 293, 344, 394, 404, 586, 788, 808, 1172, 1576, 2344, 4343, 8471, 8686, 12599, 16942, 17372, 19897, 25198, 29593, 33884, 34744, 39794, 50396, 57721, 59186, 67768, 79588, 100792, 115442, 118372, 159176, 230884, 236744, 461768, 855571, 1272499, 1711142, 2482003, 2544998, 3422284, 4964006, 5089996, 5829821, 6844568, 9928012, 10179992, 11659642, 19856024, 23319284, 46638568, 250682303, 501364606, 1002729212, 2005458424]

約数ペア:

[(1, 2005458424), (2, 1002729212), (4, 501364606), (8, 250682303), (43, 46638568), (86, 23319284), (101, 19856024), (172, 11659642), (197, 10179992), (202, 9928012), (293, 6844568), (344, 5829821), (394, 5089996), (404, 4964006), (586, 3422284), (788, 2544998), (808, 2482003), (1172, 1711142), (1576, 1272499), (2344, 855571), (4343, 461768), (8471, 236744), (8686, 230884), (12599, 159176), (16942, 118372), (17372, 115442), (19897, 100792), (25198, 79588), (29593, 67768), (33884, 59186), (34744, 57721), (39794, 50396)]