2017378420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{2273}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 4278758400

約数和(自身を除く): 2261379980

約数列:

[1, 2, 4, 5, 10, 20, 199, 223, 398, 446, 796, 892, 995, 1115, 1990, 2230, 2273, 3980, 4460, 4546, 9092, 11365, 22730, 44377, 45460, 88754, 177508, 221885, 443770, 452327, 506879, 887540, 904654, 1013758, 1809308, 2027516, 2261635, 2534395, 4523270, 5068790, 9046540, 10137580, 100868921, 201737842, 403475684, 504344605, 1008689210, 2017378420]

約数ペア:

[(1, 2017378420), (2, 1008689210), (4, 504344605), (5, 403475684), (10, 201737842), (20, 100868921), (199, 10137580), (223, 9046540), (398, 5068790), (446, 4523270), (796, 2534395), (892, 2261635), (995, 2027516), (1115, 1809308), (1990, 1013758), (2230, 904654), (2273, 887540), (3980, 506879), (4460, 452327), (4546, 443770), (9092, 221885), (11365, 177508), (22730, 88754), (44377, 45460)]