839379025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 1062487800

約数和(自身を除く): 223108775

約数列:

[1, 5, 25, 89, 109, 445, 545, 2225, 2725, 3461, 9701, 17305, 48505, 86525, 242525, 308029, 377249, 1540145, 1886245, 7700725, 9431225, 33575161, 167875805, 839379025]

約数ペア:

[(1, 839379025), (5, 167875805), (25, 33575161), (89, 9431225), (109, 7700725), (445, 1886245), (545, 1540145), (2225, 377249), (2725, 308029), (3461, 242525), (9701, 86525), (17305, 48505)]