1259480980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{649217}}^1$

素因数の和:649323

約数の個数: 24

約数和(自身を含む): 2672181288

約数和(自身を除く): 1412700308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 649217, 1298434, 2596868, 3246085, 6492170, 12984340, 62974049, 125948098, 251896196, 314870245, 629740490, 1259480980]

約数ペア:

[(1, 1259480980), (2, 629740490), (4, 314870245), (5, 251896196), (10, 125948098), (20, 62974049), (97, 12984340), (194, 6492170), (388, 3246085), (485, 2596868), (970, 1298434), (1940, 649217)]