278326940

素因数分解:

$2^2\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{5641}}^1$

素因数の和:8117

約数の個数: 24

約数和(自身を含む): 584827152

約数和(自身を除く): 306500212

約数列:

[1, 2, 4, 5, 10, 20, 2467, 4934, 5641, 9868, 11282, 12335, 22564, 24670, 28205, 49340, 56410, 112820, 13916347, 27832694, 55665388, 69581735, 139163470, 278326940]

約数ペア:

[(1, 278326940), (2, 139163470), (4, 69581735), (5, 55665388), (10, 27832694), (20, 13916347), (2467, 112820), (4934, 56410), (5641, 49340), (9868, 28205), (11282, 24670), (12335, 22564)]