220528675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 293961096

約数和(自身を除く): 73432421

約数列:

[1, 5, 17, 25, 85, 131, 233, 289, 425, 655, 1165, 1445, 2227, 3275, 3961, 5825, 7225, 11135, 19805, 30523, 37859, 55675, 67337, 99025, 152615, 189295, 336685, 518891, 763075, 946475, 1683425, 2594455, 8821147, 12972275, 44105735, 220528675]

約数ペア:

[(1, 220528675), (5, 44105735), (17, 12972275), (25, 8821147), (85, 2594455), (131, 1683425), (233, 946475), (289, 763075), (425, 518891), (655, 336685), (1165, 189295), (1445, 152615), (2227, 99025), (3275, 67337), (3961, 55675), (5825, 37859), (7225, 30523), (11135, 19805)]