204544975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 285696000

約数和(自身を除く): 81151025

約数列:

[1, 5, 19, 25, 29, 31, 95, 145, 155, 475, 479, 551, 589, 725, 775, 899, 2395, 2755, 2945, 4495, 9101, 11975, 13775, 13891, 14725, 14849, 17081, 22475, 45505, 69455, 74245, 85405, 227525, 263929, 282131, 347275, 371225, 427025, 430621, 1319645, 1410655, 2153105, 6598225, 7053275, 8181799, 10765525, 40908995, 204544975]

約数ペア:

[(1, 204544975), (5, 40908995), (19, 10765525), (25, 8181799), (29, 7053275), (31, 6598225), (95, 2153105), (145, 1410655), (155, 1319645), (475, 430621), (479, 427025), (551, 371225), (589, 347275), (725, 282131), (775, 263929), (899, 227525), (2395, 85405), (2755, 74245), (2945, 69455), (4495, 45505), (9101, 22475), (11975, 17081), (13775, 14849), (13891, 14725)]