245998175

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 323770944

約数和(自身を除く): 77772769

約数列:

[1, 5, 25, 31, 53, 113, 155, 265, 565, 775, 1325, 1643, 2809, 2825, 3503, 5989, 8215, 14045, 17515, 29945, 41075, 70225, 87079, 87575, 149725, 185659, 317417, 435395, 928295, 1587085, 2176975, 4641475, 7935425, 9839927, 49199635, 245998175]

約数ペア:

[(1, 245998175), (5, 49199635), (25, 9839927), (31, 7935425), (53, 4641475), (113, 2176975), (155, 1587085), (265, 928295), (565, 435395), (775, 317417), (1325, 185659), (1643, 149725), (2809, 87575), (2825, 87079), (3503, 70225), (5989, 41075), (8215, 29945), (14045, 17515)]