2019494890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{1171}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 4228651008

約数和(自身を除く): 2209156118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 347, 355, 497, 694, 710, 994, 1171, 1735, 2342, 2429, 2485, 3470, 4858, 4970, 5855, 8197, 11710, 12145, 16394, 24290, 24637, 40985, 49274, 81970, 83141, 123185, 166282, 172459, 246370, 344918, 406337, 415705, 581987, 812674, 831410, 862295, 1163974, 1724590, 2031685, 2844359, 2909935, 4063370, 5688718, 5819870, 14221795, 28443590, 28849927, 57699854, 144249635, 201949489, 288499270, 403898978, 1009747445, 2019494890]

約数ペア:

[(1, 2019494890), (2, 1009747445), (5, 403898978), (7, 288499270), (10, 201949489), (14, 144249635), (35, 57699854), (70, 28849927), (71, 28443590), (142, 14221795), (347, 5819870), (355, 5688718), (497, 4063370), (694, 2909935), (710, 2844359), (994, 2031685), (1171, 1724590), (1735, 1163974), (2342, 862295), (2429, 831410), (2485, 812674), (3470, 581987), (4858, 415705), (4970, 406337), (5855, 344918), (8197, 246370), (11710, 172459), (12145, 166282), (16394, 123185), (24290, 83141), (24637, 81970), (40985, 49274)]