409368205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1069}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 539280000

約数和(自身を除く): 129911795

約数列:

[1, 5, 19, 29, 95, 139, 145, 551, 695, 1069, 2641, 2755, 4031, 5345, 13205, 20155, 20311, 31001, 76589, 101555, 148591, 155005, 382945, 589019, 742955, 2823229, 2945095, 4309139, 14116145, 21545695, 81873641, 409368205]

約数ペア:

[(1, 409368205), (5, 81873641), (19, 21545695), (29, 14116145), (95, 4309139), (139, 2945095), (145, 2823229), (551, 742955), (695, 589019), (1069, 382945), (2641, 155005), (2755, 148591), (4031, 101555), (5345, 76589), (13205, 31001), (20155, 20311)]