201178175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 289564800

約数和(自身を除く): 88386625

約数列:

[1, 5, 11, 19, 25, 55, 95, 139, 209, 275, 277, 475, 695, 1045, 1385, 1529, 2641, 3047, 3475, 5225, 5263, 6925, 7645, 13205, 15235, 26315, 29051, 38225, 38503, 57893, 66025, 76175, 131575, 145255, 192515, 289465, 423533, 726275, 731557, 962575, 1447325, 2117665, 3657785, 8047127, 10588325, 18288925, 40235635, 201178175]

約数ペア:

[(1, 201178175), (5, 40235635), (11, 18288925), (19, 10588325), (25, 8047127), (55, 3657785), (95, 2117665), (139, 1447325), (209, 962575), (275, 731557), (277, 726275), (475, 423533), (695, 289465), (1045, 192515), (1385, 145255), (1529, 131575), (2641, 76175), (3047, 66025), (3475, 57893), (5225, 38503), (5263, 38225), (6925, 29051), (7645, 26315), (13205, 15235)]