419469988

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 887350464

約数和(自身を除く): 467880476

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 71, 86, 98, 142, 172, 196, 284, 301, 497, 602, 701, 994, 1204, 1402, 1988, 2107, 2804, 3053, 3479, 4214, 4907, 6106, 6958, 8428, 9814, 12212, 13916, 19628, 21371, 30143, 34349, 42742, 49771, 60286, 68698, 85484, 99542, 120572, 137396, 149597, 199084, 211001, 299194, 348397, 422002, 598388, 696794, 844004, 1393588, 1477007, 2140153, 2438779, 2954014, 4280306, 4877558, 5908028, 8560612, 9755116, 14981071, 29962142, 59924284, 104867497, 209734994, 419469988]

約数ペア:

[(1, 419469988), (2, 209734994), (4, 104867497), (7, 59924284), (14, 29962142), (28, 14981071), (43, 9755116), (49, 8560612), (71, 5908028), (86, 4877558), (98, 4280306), (142, 2954014), (172, 2438779), (196, 2140153), (284, 1477007), (301, 1393588), (497, 844004), (602, 696794), (701, 598388), (994, 422002), (1204, 348397), (1402, 299194), (1988, 211001), (2107, 199084), (2804, 149597), (3053, 137396), (3479, 120572), (4214, 99542), (4907, 85484), (6106, 68698), (6958, 60286), (8428, 49771), (9814, 42742), (12212, 34349), (13916, 30143), (19628, 21371)]