417340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 1096704

約数和(自身を除く): 679364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 271, 308, 385, 542, 770, 1084, 1355, 1540, 1897, 2710, 2981, 3794, 5420, 5962, 7588, 9485, 11924, 14905, 18970, 20867, 29810, 37940, 41734, 59620, 83468, 104335, 208670, 417340]

約数ペア:

[(1, 417340), (2, 208670), (4, 104335), (5, 83468), (7, 59620), (10, 41734), (11, 37940), (14, 29810), (20, 20867), (22, 18970), (28, 14905), (35, 11924), (44, 9485), (55, 7588), (70, 5962), (77, 5420), (110, 3794), (140, 2981), (154, 2710), (220, 1897), (271, 1540), (308, 1355), (385, 1084), (542, 770)]