305087275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20719}}^1$

素因数の和:20779

約数の個数: 24

約数和(自身を含む): 411084800

約数和(自身を除く): 105997525

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725, 20719, 103595, 393661, 517975, 642289, 1968305, 3211445, 9841525, 12203491, 16057225, 61017455, 305087275]

約数ペア:

[(1, 305087275), (5, 61017455), (19, 16057225), (25, 12203491), (31, 9841525), (95, 3211445), (155, 1968305), (475, 642289), (589, 517975), (775, 393661), (2945, 103595), (14725, 20719)]