203209025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 264727104

約数和(自身を除く): 61518079

約数列:

[1, 5, 23, 25, 115, 157, 575, 785, 2251, 3611, 3925, 11255, 18055, 51773, 56275, 90275, 258865, 353407, 1294325, 1767035, 8128361, 8835175, 40641805, 203209025]

約数ペア:

[(1, 203209025), (5, 40641805), (23, 8835175), (25, 8128361), (115, 1767035), (157, 1294325), (575, 353407), (785, 258865), (2251, 90275), (3611, 56275), (3925, 51773), (11255, 18055)]