220171675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{821}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 289883232

約数和(自身を除く): 69711557

約数列:

[1, 5, 17, 25, 85, 425, 631, 821, 3155, 4105, 10727, 13957, 15775, 20525, 53635, 69785, 268175, 348925, 518051, 2590255, 8806867, 12951275, 44034335, 220171675]

約数ペア:

[(1, 220171675), (5, 44034335), (17, 12951275), (25, 8806867), (85, 2590255), (425, 518051), (631, 348925), (821, 268175), (3155, 69785), (4105, 53635), (10727, 20525), (13957, 15775)]