400262008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 849683520

約数和(自身を除く): 449421512

約数列:

[1, 2, 4, 8, 17, 23, 34, 41, 46, 68, 82, 92, 136, 164, 184, 328, 391, 697, 782, 943, 1394, 1564, 1886, 2788, 3121, 3128, 3772, 5576, 6242, 7544, 12484, 16031, 24968, 32062, 53057, 64124, 71783, 106114, 127961, 128248, 143566, 212228, 255922, 287132, 424456, 511844, 574264, 1023688, 1220311, 2175337, 2440622, 2943103, 4350674, 4881244, 5886206, 8701348, 9762488, 11772412, 17402696, 23544824, 50032751, 100065502, 200131004, 400262008]

約数ペア:

[(1, 400262008), (2, 200131004), (4, 100065502), (8, 50032751), (17, 23544824), (23, 17402696), (34, 11772412), (41, 9762488), (46, 8701348), (68, 5886206), (82, 4881244), (92, 4350674), (136, 2943103), (164, 2440622), (184, 2175337), (328, 1220311), (391, 1023688), (697, 574264), (782, 511844), (943, 424456), (1394, 287132), (1564, 255922), (1886, 212228), (2788, 143566), (3121, 128248), (3128, 127961), (3772, 106114), (5576, 71783), (6242, 64124), (7544, 53057), (12484, 32062), (16031, 24968)]