245209888

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 619375680

約数和(自身を除く): 374165792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 83, 88, 109, 112, 121, 154, 166, 176, 218, 224, 242, 308, 332, 352, 436, 484, 581, 616, 664, 763, 847, 872, 913, 968, 1162, 1199, 1232, 1328, 1526, 1694, 1744, 1826, 1936, 2324, 2398, 2464, 2656, 3052, 3388, 3488, 3652, 3872, 4648, 4796, 6104, 6391, 6776, 7304, 8393, 9047, 9296, 9592, 10043, 12208, 12782, 13189, 13552, 14608, 16786, 18094, 18592, 19184, 20086, 24416, 25564, 26378, 27104, 29216, 33572, 36188, 38368, 40172, 51128, 52756, 63329, 67144, 70301, 72376, 80344, 92323, 99517, 102256, 105512, 126658, 134288, 140602, 144752, 160688, 184646, 199034, 204512, 211024, 253316, 268576, 281204, 289504, 321376, 369292, 398068, 422048, 506632, 562408, 696619, 738584, 796136, 1013264, 1094687, 1124816, 1393238, 1477168, 1592272, 2026528, 2189374, 2249632, 2786476, 2954336, 3184544, 4378748, 5572952, 7662809, 8757496, 11145904, 15325618, 17514992, 22291808, 30651236, 35029984, 61302472, 122604944, 245209888]

約数ペア:

[(1, 245209888), (2, 122604944), (4, 61302472), (7, 35029984), (8, 30651236), (11, 22291808), (14, 17514992), (16, 15325618), (22, 11145904), (28, 8757496), (32, 7662809), (44, 5572952), (56, 4378748), (77, 3184544), (83, 2954336), (88, 2786476), (109, 2249632), (112, 2189374), (121, 2026528), (154, 1592272), (166, 1477168), (176, 1393238), (218, 1124816), (224, 1094687), (242, 1013264), (308, 796136), (332, 738584), (352, 696619), (436, 562408), (484, 506632), (581, 422048), (616, 398068), (664, 369292), (763, 321376), (847, 289504), (872, 281204), (913, 268576), (968, 253316), (1162, 211024), (1199, 204512), (1232, 199034), (1328, 184646), (1526, 160688), (1694, 144752), (1744, 140602), (1826, 134288), (1936, 126658), (2324, 105512), (2398, 102256), (2464, 99517), (2656, 92323), (3052, 80344), (3388, 72376), (3488, 70301), (3652, 67144), (3872, 63329), (4648, 52756), (4796, 51128), (6104, 40172), (6391, 38368), (6776, 36188), (7304, 33572), (8393, 29216), (9047, 27104), (9296, 26378), (9592, 25564), (10043, 24416), (12208, 20086), (12782, 19184), (13189, 18592), (13552, 18094), (14608, 16786)]