219481976

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 507870000

約数和(自身を除く): 288388024

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 49, 56, 58, 86, 98, 116, 172, 196, 203, 232, 301, 344, 392, 406, 449, 602, 812, 898, 1204, 1247, 1421, 1624, 1796, 2107, 2408, 2494, 2842, 3143, 3592, 4214, 4988, 5684, 6286, 8428, 8729, 9976, 11368, 12572, 13021, 16856, 17458, 19307, 22001, 25144, 26042, 34916, 38614, 44002, 52084, 61103, 69832, 77228, 88004, 91147, 104168, 122206, 135149, 154456, 176008, 182294, 244412, 270298, 364588, 488824, 540596, 559903, 638029, 729176, 946043, 1081192, 1119806, 1276058, 1892086, 2239612, 2552116, 3784172, 3919321, 4479224, 5104232, 7568344, 7838642, 15677284, 27435247, 31354568, 54870494, 109740988, 219481976]

約数ペア:

[(1, 219481976), (2, 109740988), (4, 54870494), (7, 31354568), (8, 27435247), (14, 15677284), (28, 7838642), (29, 7568344), (43, 5104232), (49, 4479224), (56, 3919321), (58, 3784172), (86, 2552116), (98, 2239612), (116, 1892086), (172, 1276058), (196, 1119806), (203, 1081192), (232, 946043), (301, 729176), (344, 638029), (392, 559903), (406, 540596), (449, 488824), (602, 364588), (812, 270298), (898, 244412), (1204, 182294), (1247, 176008), (1421, 154456), (1624, 135149), (1796, 122206), (2107, 104168), (2408, 91147), (2494, 88004), (2842, 77228), (3143, 69832), (3592, 61103), (4214, 52084), (4988, 44002), (5684, 38614), (6286, 34916), (8428, 26042), (8729, 25144), (9976, 22001), (11368, 19307), (12572, 17458), (13021, 16856)]