207640664

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 518745600

約数和(自身を除く): 311104936

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 113, 133, 152, 154, 157, 209, 226, 266, 308, 314, 418, 452, 532, 616, 628, 791, 836, 904, 1064, 1099, 1243, 1256, 1463, 1582, 1672, 1727, 2147, 2198, 2486, 2926, 2983, 3164, 3454, 4294, 4396, 4972, 5852, 5966, 6328, 6908, 8588, 8701, 8792, 9944, 11704, 11932, 12089, 13816, 15029, 17176, 17402, 17741, 20881, 23617, 23864, 24178, 30058, 32813, 34804, 35482, 41762, 47234, 48356, 60116, 65626, 69608, 70964, 83524, 94468, 96712, 120232, 124187, 131252, 141928, 165319, 167048, 188936, 195151, 229691, 248374, 262504, 330638, 337079, 390302, 459382, 496748, 661276, 674158, 780604, 918764, 993496, 1322552, 1348316, 1366057, 1561208, 1837528, 2359553, 2696632, 2732114, 3707869, 4719106, 5464228, 7415738, 9438212, 10928456, 14831476, 18876424, 25955083, 29662952, 51910166, 103820332, 207640664]

約数ペア:

[(1, 207640664), (2, 103820332), (4, 51910166), (7, 29662952), (8, 25955083), (11, 18876424), (14, 14831476), (19, 10928456), (22, 9438212), (28, 7415738), (38, 5464228), (44, 4719106), (56, 3707869), (76, 2732114), (77, 2696632), (88, 2359553), (113, 1837528), (133, 1561208), (152, 1366057), (154, 1348316), (157, 1322552), (209, 993496), (226, 918764), (266, 780604), (308, 674158), (314, 661276), (418, 496748), (452, 459382), (532, 390302), (616, 337079), (628, 330638), (791, 262504), (836, 248374), (904, 229691), (1064, 195151), (1099, 188936), (1243, 167048), (1256, 165319), (1463, 141928), (1582, 131252), (1672, 124187), (1727, 120232), (2147, 96712), (2198, 94468), (2486, 83524), (2926, 70964), (2983, 69608), (3164, 65626), (3454, 60116), (4294, 48356), (4396, 47234), (4972, 41762), (5852, 35482), (5966, 34804), (6328, 32813), (6908, 30058), (8588, 24178), (8701, 23864), (8792, 23617), (9944, 20881), (11704, 17741), (11932, 17402), (12089, 17176), (13816, 15029)]