258254425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 404974080

約数和(自身を除く): 146719655

約数列:

[1, 5, 11, 13, 25, 29, 47, 53, 55, 65, 143, 145, 235, 265, 275, 319, 325, 377, 517, 583, 611, 689, 715, 725, 1175, 1325, 1363, 1537, 1595, 1885, 2491, 2585, 2915, 3055, 3445, 3575, 4147, 6721, 6815, 7579, 7685, 7975, 9425, 12455, 12925, 14575, 14993, 15275, 16907, 17225, 17719, 19981, 20735, 27401, 32383, 33605, 34075, 37895, 38425, 62275, 72239, 74965, 84535, 88595, 99905, 103675, 137005, 161915, 168025, 189475, 194909, 219791, 356213, 361195, 374825, 422675, 442975, 499525, 685025, 794629, 809575, 939107, 974545, 1098955, 1781065, 1805975, 3973145, 4695535, 4872725, 5494775, 8905325, 10330177, 19865725, 23477675, 51650885, 258254425]

約数ペア:

[(1, 258254425), (5, 51650885), (11, 23477675), (13, 19865725), (25, 10330177), (29, 8905325), (47, 5494775), (53, 4872725), (55, 4695535), (65, 3973145), (143, 1805975), (145, 1781065), (235, 1098955), (265, 974545), (275, 939107), (319, 809575), (325, 794629), (377, 685025), (517, 499525), (583, 442975), (611, 422675), (689, 374825), (715, 361195), (725, 356213), (1175, 219791), (1325, 194909), (1363, 189475), (1537, 168025), (1595, 161915), (1885, 137005), (2491, 103675), (2585, 99905), (2915, 88595), (3055, 84535), (3445, 74965), (3575, 72239), (4147, 62275), (6721, 38425), (6815, 37895), (7579, 34075), (7685, 33605), (7975, 32383), (9425, 27401), (12455, 20735), (12925, 19981), (14575, 17719), (14993, 17225), (15275, 16907)]