47891020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 106575840

約数和(自身を除く): 58684820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 653, 772, 965, 1306, 1930, 2612, 3265, 3667, 3860, 6530, 7334, 12407, 13060, 14668, 18335, 24814, 36670, 49628, 62035, 73340, 124070, 126029, 248140, 252058, 504116, 630145, 1260290, 2394551, 2520580, 4789102, 9578204, 11972755, 23945510, 47891020]

約数ペア:

[(1, 47891020), (2, 23945510), (4, 11972755), (5, 9578204), (10, 4789102), (19, 2520580), (20, 2394551), (38, 1260290), (76, 630145), (95, 504116), (190, 252058), (193, 248140), (380, 126029), (386, 124070), (653, 73340), (772, 62035), (965, 49628), (1306, 36670), (1930, 24814), (2612, 18335), (3265, 14668), (3667, 13060), (3860, 12407), (6530, 7334)]