1285756580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{164419}}^1$

素因数の和:164468

約数の個数: 48

約数和(自身を含む): 2983236480

約数和(自身を除く): 1697479900

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 164419, 328838, 657676, 822095, 1644190, 2795123, 3288380, 3781637, 5590246, 7563274, 11180492, 13975615, 15126548, 18908185, 27951230, 37816370, 55902460, 64287829, 75632740, 128575658, 257151316, 321439145, 642878290, 1285756580]

約数ペア:

[(1, 1285756580), (2, 642878290), (4, 321439145), (5, 257151316), (10, 128575658), (17, 75632740), (20, 64287829), (23, 55902460), (34, 37816370), (46, 27951230), (68, 18908185), (85, 15126548), (92, 13975615), (115, 11180492), (170, 7563274), (230, 5590246), (340, 3781637), (391, 3288380), (460, 2795123), (782, 1644190), (1564, 822095), (1955, 657676), (3910, 328838), (7820, 164419)]