408889310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{52489}}^1$

素因数の和:52556

約数の個数: 32

約数和(自身を含む): 793648800

約数和(自身を除く): 384759490

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 52489, 104978, 262445, 524890, 997291, 1994582, 2152049, 4304098, 4986455, 9972910, 10760245, 21520490, 40888931, 81777862, 204444655, 408889310]

約数ペア:

[(1, 408889310), (2, 204444655), (5, 81777862), (10, 40888931), (19, 21520490), (38, 10760245), (41, 9972910), (82, 4986455), (95, 4304098), (190, 2152049), (205, 1994582), (410, 997291), (779, 524890), (1558, 262445), (3895, 104978), (7790, 52489)]