202307225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{28001}}^1$

素因数の和:28045

約数の個数: 18

約数和(自身を含む): 266495034

約数和(自身を除く): 64187809

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 28001, 140005, 476017, 700025, 2380085, 8092289, 11900425, 40461445, 202307225]

約数ペア:

[(1, 202307225), (5, 40461445), (17, 11900425), (25, 8092289), (85, 2380085), (289, 700025), (425, 476017), (1445, 140005), (7225, 28001)]