777776230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 1838453760

約数和(自身を除く): 1060677530

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 61, 70, 77, 110, 122, 145, 154, 203, 290, 305, 319, 385, 406, 427, 571, 610, 638, 671, 770, 854, 1015, 1142, 1342, 1595, 1769, 2030, 2135, 2233, 2855, 3190, 3355, 3538, 3997, 4270, 4466, 4697, 5710, 6281, 6710, 7994, 8845, 9394, 11165, 12383, 12562, 16559, 17690, 19459, 19985, 22330, 23485, 24766, 31405, 33118, 34831, 38918, 39970, 43967, 46970, 61915, 62810, 69662, 82795, 87934, 97295, 115913, 123830, 136213, 165590, 174155, 182149, 194590, 219835, 231826, 243817, 272426, 348310, 364298, 383141, 439670, 487634, 579565, 681065, 766282, 910745, 1010099, 1159130, 1219085, 1275043, 1362130, 1821490, 1915705, 2020198, 2438170, 2550086, 2681987, 3831410, 5050495, 5363974, 6375215, 7070693, 10100990, 11111089, 12750430, 13409935, 14141386, 22222178, 26819870, 35353465, 55555445, 70706930, 77777623, 111110890, 155555246, 388888115, 777776230]

約数ペア:

[(1, 777776230), (2, 388888115), (5, 155555246), (7, 111110890), (10, 77777623), (11, 70706930), (14, 55555445), (22, 35353465), (29, 26819870), (35, 22222178), (55, 14141386), (58, 13409935), (61, 12750430), (70, 11111089), (77, 10100990), (110, 7070693), (122, 6375215), (145, 5363974), (154, 5050495), (203, 3831410), (290, 2681987), (305, 2550086), (319, 2438170), (385, 2020198), (406, 1915705), (427, 1821490), (571, 1362130), (610, 1275043), (638, 1219085), (671, 1159130), (770, 1010099), (854, 910745), (1015, 766282), (1142, 681065), (1342, 579565), (1595, 487634), (1769, 439670), (2030, 383141), (2135, 364298), (2233, 348310), (2855, 272426), (3190, 243817), (3355, 231826), (3538, 219835), (3997, 194590), (4270, 182149), (4466, 174155), (4697, 165590), (5710, 136213), (6281, 123830), (6710, 115913), (7994, 97295), (8845, 87934), (9394, 82795), (11165, 69662), (12383, 62810), (12562, 61915), (16559, 46970), (17690, 43967), (19459, 39970), (19985, 38918), (22330, 34831), (23485, 33118), (24766, 31405)]