401312856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 1192181760

約数和(自身を除く): 790868904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 251, 307, 372, 434, 502, 614, 651, 744, 753, 868, 921, 1004, 1228, 1302, 1506, 1736, 1757, 1842, 2008, 2149, 2456, 2604, 3012, 3514, 3684, 4298, 5208, 5271, 6024, 6447, 7028, 7368, 7781, 8596, 9517, 10542, 12894, 14056, 15562, 17192, 19034, 21084, 23343, 25788, 28551, 31124, 38068, 42168, 46686, 51576, 54467, 57102, 62248, 66619, 76136, 77057, 93372, 108934, 114204, 133238, 154114, 163401, 186744, 199857, 217868, 228408, 231171, 266476, 308228, 326802, 399714, 435736, 462342, 532952, 539399, 616456, 653604, 799428, 924684, 1078798, 1307208, 1598856, 1618197, 1849368, 2157596, 2388767, 3236394, 4315192, 4777534, 6472788, 7166301, 9555068, 12945576, 14332602, 16721369, 19110136, 28665204, 33442738, 50164107, 57330408, 66885476, 100328214, 133770952, 200656428, 401312856]

約数ペア:

[(1, 401312856), (2, 200656428), (3, 133770952), (4, 100328214), (6, 66885476), (7, 57330408), (8, 50164107), (12, 33442738), (14, 28665204), (21, 19110136), (24, 16721369), (28, 14332602), (31, 12945576), (42, 9555068), (56, 7166301), (62, 6472788), (84, 4777534), (93, 4315192), (124, 3236394), (168, 2388767), (186, 2157596), (217, 1849368), (248, 1618197), (251, 1598856), (307, 1307208), (372, 1078798), (434, 924684), (502, 799428), (614, 653604), (651, 616456), (744, 539399), (753, 532952), (868, 462342), (921, 435736), (1004, 399714), (1228, 326802), (1302, 308228), (1506, 266476), (1736, 231171), (1757, 228408), (1842, 217868), (2008, 199857), (2149, 186744), (2456, 163401), (2604, 154114), (3012, 133238), (3514, 114204), (3684, 108934), (4298, 93372), (5208, 77057), (5271, 76136), (6024, 66619), (6447, 62248), (7028, 57102), (7368, 54467), (7781, 51576), (8596, 46686), (9517, 42168), (10542, 38068), (12894, 31124), (14056, 28551), (15562, 25788), (17192, 23343), (19034, 21084)]