215710825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1747}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 292615200

約数和(自身を除く): 76904375

約数列:

[1, 5, 11, 25, 55, 275, 449, 1747, 2245, 4939, 8735, 11225, 19217, 24695, 43675, 96085, 123475, 480425, 784403, 3922015, 8628433, 19610075, 43142165, 215710825]

約数ペア:

[(1, 215710825), (5, 43142165), (11, 19610075), (25, 8628433), (55, 3922015), (275, 784403), (449, 480425), (1747, 123475), (2245, 96085), (4939, 43675), (8735, 24695), (11225, 19217)]