205826980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{10709}}^1$

素因数の和:10780

約数の個数: 36

約数和(自身を含む): 446671260

約数和(自身を除く): 240844280

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 10709, 19220, 21418, 42836, 53545, 107090, 214180, 331979, 663958, 1327916, 1659895, 3319790, 6639580, 10291349, 20582698, 41165396, 51456745, 102913490, 205826980]

約数ペア:

[(1, 205826980), (2, 102913490), (4, 51456745), (5, 41165396), (10, 20582698), (20, 10291349), (31, 6639580), (62, 3319790), (124, 1659895), (155, 1327916), (310, 663958), (620, 331979), (961, 214180), (1922, 107090), (3844, 53545), (4805, 42836), (9610, 21418), (10709, 19220)]