1999749064220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1\times {\mathrm{2115107}}^1$

素因数の和:2116310

約数の個数: 48

約数和(自身を含む): 4305632290848

約数和(自身を除く): 2305883226628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1153, 2306, 4612, 5765, 11530, 23060, 47273, 94546, 189092, 236365, 472730, 945460, 2115107, 4230214, 8460428, 10575535, 21151070, 42302140, 86719387, 173438774, 346877548, 433596935, 867193870, 1734387740, 2438718371, 4877436742, 9754873484, 12193591855, 24387183710, 48774367420, 99987453211, 199974906422, 399949812844, 499937266055, 999874532110, 1999749064220]

約数ペア:

[(1, 1999749064220), (2, 999874532110), (4, 499937266055), (5, 399949812844), (10, 199974906422), (20, 99987453211), (41, 48774367420), (82, 24387183710), (164, 12193591855), (205, 9754873484), (410, 4877436742), (820, 2438718371), (1153, 1734387740), (2306, 867193870), (4612, 433596935), (5765, 346877548), (11530, 173438774), (23060, 86719387), (47273, 42302140), (94546, 21151070), (189092, 10575535), (236365, 8460428), (472730, 4230214), (945460, 2115107)]