209278780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 451132416

約数和(自身を除く): 241853636

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 251, 470, 502, 887, 940, 1004, 1255, 1774, 2510, 3548, 4435, 5020, 8870, 11797, 17740, 23594, 41689, 47188, 58985, 83378, 117970, 166756, 208445, 222637, 235940, 416890, 445274, 833780, 890548, 1113185, 2226370, 4452740, 10463939, 20927878, 41855756, 52319695, 104639390, 209278780]

約数ペア:

[(1, 209278780), (2, 104639390), (4, 52319695), (5, 41855756), (10, 20927878), (20, 10463939), (47, 4452740), (94, 2226370), (188, 1113185), (235, 890548), (251, 833780), (470, 445274), (502, 416890), (887, 235940), (940, 222637), (1004, 208445), (1255, 166756), (1774, 117970), (2510, 83378), (3548, 58985), (4435, 47188), (5020, 41689), (8870, 23594), (11797, 17740)]