28367220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 100154880

約数和(自身を除く): 71787660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 29, 30, 34, 35, 42, 51, 58, 60, 68, 70, 84, 85, 87, 102, 105, 116, 119, 137, 140, 145, 170, 174, 203, 204, 210, 238, 255, 274, 290, 340, 348, 357, 406, 411, 420, 435, 476, 493, 510, 548, 580, 595, 609, 685, 714, 812, 822, 870, 959, 986, 1015, 1020, 1190, 1218, 1370, 1428, 1479, 1644, 1740, 1785, 1918, 1972, 2030, 2055, 2329, 2380, 2436, 2465, 2740, 2877, 2958, 3045, 3451, 3570, 3836, 3973, 4060, 4110, 4658, 4795, 4930, 5754, 5916, 6090, 6902, 6987, 7140, 7395, 7946, 8220, 9316, 9590, 9860, 10353, 11508, 11645, 11919, 12180, 13804, 13974, 14385, 14790, 15892, 16303, 17255, 19180, 19865, 20706, 23290, 23838, 27811, 27948, 28770, 29580, 32606, 34510, 34935, 39730, 41412, 46580, 47676, 48909, 51765, 55622, 57540, 59595, 65212, 67541, 69020, 69870, 79460, 81515, 83433, 97818, 103530, 111244, 119190, 135082, 139055, 139740, 163030, 166866, 195636, 202623, 207060, 238380, 244545, 270164, 278110, 326060, 333732, 337705, 405246, 417165, 472787, 489090, 556220, 675410, 810492, 834330, 945574, 978180, 1013115, 1350820, 1418361, 1668660, 1891148, 2026230, 2363935, 2836722, 4052460, 4727870, 5673444, 7091805, 9455740, 14183610, 28367220]

約数ペア:

[(1, 28367220), (2, 14183610), (3, 9455740), (4, 7091805), (5, 5673444), (6, 4727870), (7, 4052460), (10, 2836722), (12, 2363935), (14, 2026230), (15, 1891148), (17, 1668660), (20, 1418361), (21, 1350820), (28, 1013115), (29, 978180), (30, 945574), (34, 834330), (35, 810492), (42, 675410), (51, 556220), (58, 489090), (60, 472787), (68, 417165), (70, 405246), (84, 337705), (85, 333732), (87, 326060), (102, 278110), (105, 270164), (116, 244545), (119, 238380), (137, 207060), (140, 202623), (145, 195636), (170, 166866), (174, 163030), (203, 139740), (204, 139055), (210, 135082), (238, 119190), (255, 111244), (274, 103530), (290, 97818), (340, 83433), (348, 81515), (357, 79460), (406, 69870), (411, 69020), (420, 67541), (435, 65212), (476, 59595), (493, 57540), (510, 55622), (548, 51765), (580, 48909), (595, 47676), (609, 46580), (685, 41412), (714, 39730), (812, 34935), (822, 34510), (870, 32606), (959, 29580), (986, 28770), (1015, 27948), (1020, 27811), (1190, 23838), (1218, 23290), (1370, 20706), (1428, 19865), (1479, 19180), (1644, 17255), (1740, 16303), (1785, 15892), (1918, 14790), (1972, 14385), (2030, 13974), (2055, 13804), (2329, 12180), (2380, 11919), (2436, 11645), (2465, 11508), (2740, 10353), (2877, 9860), (2958, 9590), (3045, 9316), (3451, 8220), (3570, 7946), (3836, 7395), (3973, 7140), (4060, 6987), (4110, 6902), (4658, 6090), (4795, 5916), (4930, 5754)]