201449225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 260400000

約数和(自身を除く): 58950775

約数列:

[1, 5, 25, 29, 139, 145, 695, 725, 1999, 3475, 4031, 9995, 20155, 49975, 57971, 100775, 277861, 289855, 1389305, 1449275, 6946525, 8057969, 40289845, 201449225]

約数ペア:

[(1, 201449225), (5, 40289845), (25, 8057969), (29, 6946525), (139, 1449275), (145, 1389305), (695, 289855), (725, 277861), (1999, 100775), (3475, 57971), (4031, 49975), (9995, 20155)]