838689620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{4001}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 1807239168

約数和(自身を除く): 968549548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 892, 940, 1115, 2230, 4001, 4460, 8002, 10481, 16004, 20005, 20962, 40010, 41924, 52405, 80020, 104810, 188047, 209620, 376094, 752188, 892223, 940235, 1784446, 1880470, 3568892, 3760940, 4461115, 8922230, 17844460, 41934481, 83868962, 167737924, 209672405, 419344810, 838689620]

約数ペア:

[(1, 838689620), (2, 419344810), (4, 209672405), (5, 167737924), (10, 83868962), (20, 41934481), (47, 17844460), (94, 8922230), (188, 4461115), (223, 3760940), (235, 3568892), (446, 1880470), (470, 1784446), (892, 940235), (940, 892223), (1115, 752188), (2230, 376094), (4001, 209620), (4460, 188047), (8002, 104810), (10481, 80020), (16004, 52405), (20005, 41924), (20962, 40010)]