214664725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 302480640

約数和(自身を除く): 87815915

約数列:

[1, 5, 11, 25, 41, 55, 79, 205, 241, 275, 395, 451, 869, 1025, 1205, 1975, 2255, 2651, 3239, 4345, 6025, 9881, 11275, 13255, 16195, 19039, 21725, 35629, 49405, 66275, 80975, 95195, 108691, 178145, 209429, 247025, 475975, 543455, 780599, 890725, 1047145, 2717275, 3902995, 5235725, 8586589, 19514975, 42932945, 214664725]

約数ペア:

[(1, 214664725), (5, 42932945), (11, 19514975), (25, 8586589), (41, 5235725), (55, 3902995), (79, 2717275), (205, 1047145), (241, 890725), (275, 780599), (395, 543455), (451, 475975), (869, 247025), (1025, 209429), (1205, 178145), (1975, 108691), (2255, 95195), (2651, 80975), (3239, 66275), (4345, 49405), (6025, 35629), (9881, 21725), (11275, 19039), (13255, 16195)]