207977770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 302957270

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 79, 91, 110, 130, 143, 154, 158, 182, 263, 286, 385, 395, 455, 526, 553, 715, 770, 790, 869, 910, 1001, 1027, 1106, 1315, 1430, 1738, 1841, 2002, 2054, 2630, 2765, 2893, 3419, 3682, 4345, 5005, 5135, 5530, 5786, 6083, 6838, 7189, 8690, 9205, 10010, 10270, 11297, 12166, 14378, 14465, 17095, 18410, 20251, 20777, 22594, 23933, 28930, 30415, 34190, 35945, 37609, 40502, 41554, 47866, 56485, 60830, 71890, 75218, 79079, 101255, 103885, 112970, 119665, 145439, 158158, 188045, 202510, 207770, 228547, 239330, 263263, 270101, 290878, 376090, 395395, 457094, 526526, 540202, 727195, 790790, 1142735, 1316315, 1350505, 1454390, 1599829, 1890707, 2285470, 2632630, 2701010, 2971111, 3199658, 3781414, 5942222, 7999145, 9453535, 14855555, 15998290, 18907070, 20797777, 29711110, 41595554, 103988885, 207977770]

約数ペア:

[(1, 207977770), (2, 103988885), (5, 41595554), (7, 29711110), (10, 20797777), (11, 18907070), (13, 15998290), (14, 14855555), (22, 9453535), (26, 7999145), (35, 5942222), (55, 3781414), (65, 3199658), (70, 2971111), (77, 2701010), (79, 2632630), (91, 2285470), (110, 1890707), (130, 1599829), (143, 1454390), (154, 1350505), (158, 1316315), (182, 1142735), (263, 790790), (286, 727195), (385, 540202), (395, 526526), (455, 457094), (526, 395395), (553, 376090), (715, 290878), (770, 270101), (790, 263263), (869, 239330), (910, 228547), (1001, 207770), (1027, 202510), (1106, 188045), (1315, 158158), (1430, 145439), (1738, 119665), (1841, 112970), (2002, 103885), (2054, 101255), (2630, 79079), (2765, 75218), (2893, 71890), (3419, 60830), (3682, 56485), (4345, 47866), (5005, 41554), (5135, 40502), (5530, 37609), (5786, 35945), (6083, 34190), (6838, 30415), (7189, 28930), (8690, 23933), (9205, 22594), (10010, 20777), (10270, 20251), (11297, 18410), (12166, 17095), (14378, 14465)]