204914875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 78131525

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 781, 1375, 1775, 2099, 3905, 8875, 10495, 19525, 23089, 52475, 97625, 115445, 149029, 262375, 577225, 745145, 1639319, 2886125, 3725725, 8196595, 18628625, 40982975, 204914875]

約数ペア:

[(1, 204914875), (5, 40982975), (11, 18628625), (25, 8196595), (55, 3725725), (71, 2886125), (125, 1639319), (275, 745145), (355, 577225), (781, 262375), (1375, 149029), (1775, 115445), (2099, 97625), (3905, 52475), (8875, 23089), (10495, 19525)]