2878975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 36

約数和(自身を含む): 4251960

約数和(自身を除く): 1372985

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 145, 209, 275, 319, 361, 475, 551, 725, 1045, 1595, 1805, 2755, 3971, 5225, 6061, 7975, 9025, 10469, 13775, 19855, 30305, 52345, 99275, 115159, 151525, 261725, 575795, 2878975]

約数ペア:

[(1, 2878975), (5, 575795), (11, 261725), (19, 151525), (25, 115159), (29, 99275), (55, 52345), (95, 30305), (145, 19855), (209, 13775), (275, 10469), (319, 9025), (361, 7975), (475, 6061), (551, 5225), (725, 3971), (1045, 2755), (1595, 1805)]