290051775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 570338496

約数和(自身を除く): 280286721

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 195, 225, 265, 325, 477, 585, 689, 795, 975, 1325, 1871, 2067, 2385, 2925, 3445, 3975, 5613, 6201, 9355, 10335, 11925, 16839, 17225, 24323, 28065, 31005, 46775, 51675, 72969, 84195, 99163, 121615, 140325, 155025, 218907, 297489, 364845, 420975, 495815, 608075, 892467, 1094535, 1289119, 1487445, 1824225, 2479075, 3867357, 4462335, 5472675, 6445595, 7437225, 11602071, 19336785, 22311675, 32227975, 58010355, 96683925, 290051775]

約数ペア:

[(1, 290051775), (3, 96683925), (5, 58010355), (9, 32227975), (13, 22311675), (15, 19336785), (25, 11602071), (39, 7437225), (45, 6445595), (53, 5472675), (65, 4462335), (75, 3867357), (117, 2479075), (159, 1824225), (195, 1487445), (225, 1289119), (265, 1094535), (325, 892467), (477, 608075), (585, 495815), (689, 420975), (795, 364845), (975, 297489), (1325, 218907), (1871, 155025), (2067, 140325), (2385, 121615), (2925, 99163), (3445, 84195), (3975, 72969), (5613, 51675), (6201, 46775), (9355, 31005), (10335, 28065), (11925, 24323), (16839, 17225)]