209714970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3793}}^1$

素因数の和:3919

約数の個数: 64

約数和(自身を含む): 535409280

約数和(自身を除く): 325694310

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 97, 114, 190, 194, 285, 291, 485, 570, 582, 970, 1455, 1843, 2910, 3686, 3793, 5529, 7586, 9215, 11058, 11379, 18430, 18965, 22758, 27645, 37930, 55290, 56895, 72067, 113790, 144134, 216201, 360335, 367921, 432402, 720670, 735842, 1081005, 1103763, 1839605, 2162010, 2207526, 3679210, 5518815, 6990499, 11037630, 13980998, 20971497, 34952495, 41942994, 69904990, 104857485, 209714970]

約数ペア:

[(1, 209714970), (2, 104857485), (3, 69904990), (5, 41942994), (6, 34952495), (10, 20971497), (15, 13980998), (19, 11037630), (30, 6990499), (38, 5518815), (57, 3679210), (95, 2207526), (97, 2162010), (114, 1839605), (190, 1103763), (194, 1081005), (285, 735842), (291, 720670), (485, 432402), (570, 367921), (582, 360335), (970, 216201), (1455, 144134), (1843, 113790), (2910, 72067), (3686, 56895), (3793, 55290), (5529, 37930), (7586, 27645), (9215, 22758), (11058, 18965), (11379, 18430)]