2018740025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 2754734400

約数和(自身を除く): 735994375

約数列:

[1, 5, 19, 25, 29, 95, 101, 145, 475, 505, 551, 725, 1451, 1919, 2525, 2755, 2929, 7255, 9595, 13775, 14645, 27569, 36275, 42079, 47975, 55651, 73225, 137845, 146551, 210395, 278255, 689225, 732755, 799501, 1051975, 1391275, 2784469, 3663775, 3997505, 4249979, 13922345, 19987525, 21249895, 69611725, 80749601, 106249475, 403748005, 2018740025]

約数ペア:

[(1, 2018740025), (5, 403748005), (19, 106249475), (25, 80749601), (29, 69611725), (95, 21249895), (101, 19987525), (145, 13922345), (475, 4249979), (505, 3997505), (551, 3663775), (725, 2784469), (1451, 1391275), (1919, 1051975), (2525, 799501), (2755, 732755), (2929, 689225), (7255, 278255), (9595, 210395), (13775, 146551), (14645, 137845), (27569, 73225), (36275, 55651), (42079, 47975)]