205494310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 447252480

約数和(自身を除く): 241758170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 367, 421, 665, 734, 842, 1330, 1835, 2105, 2569, 2947, 3670, 4210, 5138, 5894, 6973, 7999, 12845, 13946, 14735, 15998, 25690, 29470, 34865, 39995, 48811, 55993, 69730, 79990, 97622, 111986, 154507, 244055, 279965, 309014, 488110, 559930, 772535, 1081549, 1545070, 2163098, 2935633, 5407745, 5871266, 10815490, 14678165, 20549431, 29356330, 41098862, 102747155, 205494310]

約数ペア:

[(1, 205494310), (2, 102747155), (5, 41098862), (7, 29356330), (10, 20549431), (14, 14678165), (19, 10815490), (35, 5871266), (38, 5407745), (70, 2935633), (95, 2163098), (133, 1545070), (190, 1081549), (266, 772535), (367, 559930), (421, 488110), (665, 309014), (734, 279965), (842, 244055), (1330, 154507), (1835, 111986), (2105, 97622), (2569, 79990), (2947, 69730), (3670, 55993), (4210, 48811), (5138, 39995), (5894, 34865), (6973, 29470), (7999, 25690), (12845, 15998), (13946, 14735)]