201955940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5479}}^1$

素因数の和:5604

約数の個数: 48

約数和(自身を含む): 451113600

約数和(自身を除く): 249157660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 5479, 7372, 9215, 10958, 18430, 21916, 27395, 36860, 54790, 104101, 109580, 208202, 416404, 520505, 531463, 1041010, 1062926, 2082020, 2125852, 2657315, 5314630, 10097797, 10629260, 20195594, 40391188, 50488985, 100977970, 201955940]

約数ペア:

[(1, 201955940), (2, 100977970), (4, 50488985), (5, 40391188), (10, 20195594), (19, 10629260), (20, 10097797), (38, 5314630), (76, 2657315), (95, 2125852), (97, 2082020), (190, 1062926), (194, 1041010), (380, 531463), (388, 520505), (485, 416404), (970, 208202), (1843, 109580), (1940, 104101), (3686, 54790), (5479, 36860), (7372, 27395), (9215, 21916), (10958, 18430)]