245841904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 631959552

約数和(自身を除く): 386117648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 112, 124, 154, 157, 164, 176, 217, 248, 287, 308, 314, 328, 341, 434, 451, 496, 574, 616, 628, 656, 682, 868, 902, 1099, 1148, 1232, 1256, 1271, 1364, 1727, 1736, 1804, 2198, 2296, 2387, 2512, 2542, 2728, 3157, 3454, 3472, 3608, 4396, 4592, 4774, 4867, 5084, 5456, 6314, 6437, 6908, 7216, 8792, 8897, 9548, 9734, 10168, 12089, 12628, 12874, 13816, 13981, 17584, 17794, 19096, 19468, 20336, 24178, 25256, 25748, 27632, 27962, 34069, 35588, 38192, 38936, 45059, 48356, 50512, 51496, 53537, 55924, 68138, 70807, 71176, 77872, 90118, 96712, 97867, 102992, 107074, 111848, 136276, 141614, 142352, 180236, 193424, 195734, 199547, 214148, 223696, 272552, 283228, 360472, 374759, 391468, 399094, 428296, 495649, 545104, 566456, 720944, 749518, 782936, 798188, 856592, 991298, 1132912, 1396829, 1499036, 1565872, 1596376, 1982596, 2195017, 2793658, 2998072, 3192752, 3965192, 4390034, 5587316, 5996144, 7930384, 8780068, 11174632, 15365119, 17560136, 22349264, 30730238, 35120272, 61460476, 122920952, 245841904]

約数ペア:

[(1, 245841904), (2, 122920952), (4, 61460476), (7, 35120272), (8, 30730238), (11, 22349264), (14, 17560136), (16, 15365119), (22, 11174632), (28, 8780068), (31, 7930384), (41, 5996144), (44, 5587316), (56, 4390034), (62, 3965192), (77, 3192752), (82, 2998072), (88, 2793658), (112, 2195017), (124, 1982596), (154, 1596376), (157, 1565872), (164, 1499036), (176, 1396829), (217, 1132912), (248, 991298), (287, 856592), (308, 798188), (314, 782936), (328, 749518), (341, 720944), (434, 566456), (451, 545104), (496, 495649), (574, 428296), (616, 399094), (628, 391468), (656, 374759), (682, 360472), (868, 283228), (902, 272552), (1099, 223696), (1148, 214148), (1232, 199547), (1256, 195734), (1271, 193424), (1364, 180236), (1727, 142352), (1736, 141614), (1804, 136276), (2198, 111848), (2296, 107074), (2387, 102992), (2512, 97867), (2542, 96712), (2728, 90118), (3157, 77872), (3454, 71176), (3472, 70807), (3608, 68138), (4396, 55924), (4592, 53537), (4774, 51496), (4867, 50512), (5084, 48356), (5456, 45059), (6314, 38936), (6437, 38192), (6908, 35588), (7216, 34069), (8792, 27962), (8897, 27632), (9548, 25748), (9734, 25256), (10168, 24178), (12089, 20336), (12628, 19468), (12874, 19096), (13816, 17794), (13981, 17584)]