2909225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 4017600

約数和(自身を除く): 1108375

約数列:

[1, 5, 11, 25, 55, 71, 149, 275, 355, 745, 781, 1639, 1775, 3725, 3905, 8195, 10579, 19525, 40975, 52895, 116369, 264475, 581845, 2909225]

約数ペア:

[(1, 2909225), (5, 581845), (11, 264475), (25, 116369), (55, 52895), (71, 40975), (149, 19525), (275, 10579), (355, 8195), (745, 3905), (781, 3725), (1639, 1775)]