408907128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 1210406400

約数和(自身を除く): 801499272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 157, 168, 222, 259, 296, 314, 419, 444, 471, 518, 628, 777, 838, 888, 942, 1036, 1099, 1256, 1257, 1554, 1676, 1884, 2072, 2198, 2514, 2933, 3108, 3297, 3352, 3768, 4396, 5028, 5809, 5866, 6216, 6594, 8792, 8799, 10056, 11618, 11732, 13188, 15503, 17427, 17598, 23236, 23464, 26376, 31006, 34854, 35196, 40663, 46472, 46509, 62012, 65783, 69708, 70392, 81326, 93018, 108521, 121989, 124024, 131566, 139416, 162652, 186036, 197349, 217042, 243978, 263132, 325304, 325563, 372072, 394698, 434084, 460481, 487956, 526264, 651126, 789396, 868168, 920962, 975912, 1302252, 1381443, 1578792, 1841924, 2433971, 2604504, 2762886, 3683848, 4867942, 5525772, 7301913, 9735884, 11051544, 14603826, 17037797, 19471768, 29207652, 34075594, 51113391, 58415304, 68151188, 102226782, 136302376, 204453564, 408907128]

約数ペア:

[(1, 408907128), (2, 204453564), (3, 136302376), (4, 102226782), (6, 68151188), (7, 58415304), (8, 51113391), (12, 34075594), (14, 29207652), (21, 19471768), (24, 17037797), (28, 14603826), (37, 11051544), (42, 9735884), (56, 7301913), (74, 5525772), (84, 4867942), (111, 3683848), (148, 2762886), (157, 2604504), (168, 2433971), (222, 1841924), (259, 1578792), (296, 1381443), (314, 1302252), (419, 975912), (444, 920962), (471, 868168), (518, 789396), (628, 651126), (777, 526264), (838, 487956), (888, 460481), (942, 434084), (1036, 394698), (1099, 372072), (1256, 325563), (1257, 325304), (1554, 263132), (1676, 243978), (1884, 217042), (2072, 197349), (2198, 186036), (2514, 162652), (2933, 139416), (3108, 131566), (3297, 124024), (3352, 121989), (3768, 108521), (4396, 93018), (5028, 81326), (5809, 70392), (5866, 69708), (6216, 65783), (6594, 62012), (8792, 46509), (8799, 46472), (10056, 40663), (11618, 35196), (11732, 34854), (13188, 31006), (15503, 26376), (17427, 23464), (17598, 23236)]