290872225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53617}}^1$

素因数の和:53665

約数の個数: 24

約数和(自身を含む): 425512448

約数和(自身を除く): 134640223

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 53617, 268085, 375319, 1340425, 1662127, 1876595, 8310635, 9382975, 11634889, 41553175, 58174445, 290872225]

約数ペア:

[(1, 290872225), (5, 58174445), (7, 41553175), (25, 11634889), (31, 9382975), (35, 8310635), (155, 1876595), (175, 1662127), (217, 1340425), (775, 375319), (1085, 268085), (5425, 53617)]