289238425

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 108

約数和(自身を含む): 477372720

約数和(自身を除く): 188134295

約数列:

[1, 5, 7, 17, 19, 25, 35, 43, 49, 85, 95, 119, 133, 175, 215, 245, 289, 301, 323, 425, 475, 595, 665, 731, 817, 833, 931, 1075, 1225, 1445, 1505, 1615, 2023, 2107, 2261, 2975, 3325, 3655, 4085, 4165, 4655, 5117, 5491, 5719, 7225, 7525, 8075, 10115, 10535, 11305, 12427, 13889, 14161, 15827, 18275, 20425, 20825, 23275, 25585, 27455, 28595, 35819, 38437, 40033, 50575, 52675, 56525, 62135, 69445, 70805, 79135, 86989, 97223, 127925, 137275, 142975, 179095, 192185, 200165, 236113, 269059, 310675, 347225, 354025, 395675, 434945, 486115, 608923, 680561, 895475, 960925, 1000825, 1180565, 1345295, 1652791, 2174725, 2430575, 3044615, 3402805, 5902825, 6726475, 8263955, 11569537, 15223075, 17014025, 41319775, 57847685, 289238425]

約数ペア:

[(1, 289238425), (5, 57847685), (7, 41319775), (17, 17014025), (19, 15223075), (25, 11569537), (35, 8263955), (43, 6726475), (49, 5902825), (85, 3402805), (95, 3044615), (119, 2430575), (133, 2174725), (175, 1652791), (215, 1345295), (245, 1180565), (289, 1000825), (301, 960925), (323, 895475), (425, 680561), (475, 608923), (595, 486115), (665, 434945), (731, 395675), (817, 354025), (833, 347225), (931, 310675), (1075, 269059), (1225, 236113), (1445, 200165), (1505, 192185), (1615, 179095), (2023, 142975), (2107, 137275), (2261, 127925), (2975, 97223), (3325, 86989), (3655, 79135), (4085, 70805), (4165, 69445), (4655, 62135), (5117, 56525), (5491, 52675), (5719, 50575), (7225, 40033), (7525, 38437), (8075, 35819), (10115, 28595), (10535, 27455), (11305, 25585), (12427, 23275), (13889, 20825), (14161, 20425), (15827, 18275)]