78943300

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{3967}}^1$

素因数の和:4180

約数の個数: 36

約数和(自身を含む): 172211200

約数和(自身を除く): 93267900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3967, 3980, 4975, 7934, 9950, 15868, 19835, 19900, 39670, 79340, 99175, 198350, 396700, 789433, 1578866, 3157732, 3947165, 7894330, 15788660, 19735825, 39471650, 78943300]

約数ペア:

[(1, 78943300), (2, 39471650), (4, 19735825), (5, 15788660), (10, 7894330), (20, 3947165), (25, 3157732), (50, 1578866), (100, 789433), (199, 396700), (398, 198350), (796, 99175), (995, 79340), (1990, 39670), (3967, 19900), (3980, 19835), (4975, 15868), (7934, 9950)]