17877100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^2$

素因数の和:227

約数の個数: 54

約数和(自身を含む): 41260380

約数和(自身を除く): 23383280

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 190, 194, 380, 388, 475, 485, 950, 970, 1843, 1900, 1940, 2425, 3686, 4850, 7372, 9215, 9409, 9700, 18430, 18818, 36860, 37636, 46075, 47045, 92150, 94090, 178771, 184300, 188180, 235225, 357542, 470450, 715084, 893855, 940900, 1787710, 3575420, 4469275, 8938550, 17877100]

約数ペア:

[(1, 17877100), (2, 8938550), (4, 4469275), (5, 3575420), (10, 1787710), (19, 940900), (20, 893855), (25, 715084), (38, 470450), (50, 357542), (76, 235225), (95, 188180), (97, 184300), (100, 178771), (190, 94090), (194, 92150), (380, 47045), (388, 46075), (475, 37636), (485, 36860), (950, 18818), (970, 18430), (1843, 9700), (1900, 9409), (1940, 9215), (2425, 7372), (3686, 4850)]