221682025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2003}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 290740320

約数和(自身を除く): 69058295

約数列:

[1, 5, 19, 25, 95, 233, 475, 1165, 2003, 4427, 5825, 10015, 22135, 38057, 50075, 110675, 190285, 466699, 951425, 2333495, 8867281, 11667475, 44336405, 221682025]

約数ペア:

[(1, 221682025), (5, 44336405), (19, 11667475), (25, 8867281), (95, 2333495), (233, 951425), (475, 466699), (1165, 190285), (2003, 110675), (4427, 50075), (5825, 38057), (10015, 22135)]