421192016

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 996561216

約数和(自身を除く): 575369200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 41, 56, 67, 74, 82, 112, 134, 148, 164, 259, 268, 287, 296, 328, 469, 518, 536, 574, 592, 656, 938, 1036, 1072, 1148, 1369, 1517, 1876, 2072, 2296, 2479, 2738, 2747, 3034, 3752, 4144, 4592, 4958, 5476, 5494, 6068, 7504, 9583, 9916, 10619, 10952, 10988, 12136, 17353, 19166, 19229, 19832, 21238, 21904, 21976, 24272, 34706, 38332, 38458, 39664, 42476, 43952, 56129, 69412, 76664, 76916, 84952, 91723, 101639, 112258, 138824, 153328, 153832, 169904, 183446, 203278, 224516, 277648, 307664, 366892, 392903, 406556, 449032, 642061, 711473, 733784, 785806, 813112, 898064, 1284122, 1422946, 1467568, 1571612, 1626224, 2568244, 2845892, 3143224, 3760643, 5136488, 5691784, 6286448, 7521286, 10272976, 11383568, 15042572, 26324501, 30085144, 52649002, 60170288, 105298004, 210596008, 421192016]

約数ペア:

[(1, 421192016), (2, 210596008), (4, 105298004), (7, 60170288), (8, 52649002), (14, 30085144), (16, 26324501), (28, 15042572), (37, 11383568), (41, 10272976), (56, 7521286), (67, 6286448), (74, 5691784), (82, 5136488), (112, 3760643), (134, 3143224), (148, 2845892), (164, 2568244), (259, 1626224), (268, 1571612), (287, 1467568), (296, 1422946), (328, 1284122), (469, 898064), (518, 813112), (536, 785806), (574, 733784), (592, 711473), (656, 642061), (938, 449032), (1036, 406556), (1072, 392903), (1148, 366892), (1369, 307664), (1517, 277648), (1876, 224516), (2072, 203278), (2296, 183446), (2479, 169904), (2738, 153832), (2747, 153328), (3034, 138824), (3752, 112258), (4144, 101639), (4592, 91723), (4958, 84952), (5476, 76916), (5494, 76664), (6068, 69412), (7504, 56129), (9583, 43952), (9916, 42476), (10619, 39664), (10952, 38458), (10988, 38332), (12136, 34706), (17353, 24272), (19166, 21976), (19229, 21904), (19832, 21238)]