489287920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5101}}^1$

素因数の和:5234

約数の個数: 80

約数和(自身を含む): 1252643040

約数和(自身を除く): 763355120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 880, 1090, 1199, 1744, 2180, 2398, 4360, 4796, 5101, 5995, 8720, 9592, 10202, 11990, 19184, 20404, 23980, 25505, 40808, 47960, 51010, 56111, 81616, 95920, 102020, 112222, 204040, 224444, 280555, 408080, 448888, 556009, 561110, 897776, 1112018, 1122220, 2224036, 2244440, 2780045, 4448072, 4488880, 5560090, 6116099, 8896144, 11120180, 12232198, 22240360, 24464396, 30580495, 44480720, 48928792, 61160990, 97857584, 122321980, 244643960, 489287920]

約数ペア:

[(1, 489287920), (2, 244643960), (4, 122321980), (5, 97857584), (8, 61160990), (10, 48928792), (11, 44480720), (16, 30580495), (20, 24464396), (22, 22240360), (40, 12232198), (44, 11120180), (55, 8896144), (80, 6116099), (88, 5560090), (109, 4488880), (110, 4448072), (176, 2780045), (218, 2244440), (220, 2224036), (436, 1122220), (440, 1112018), (545, 897776), (872, 561110), (880, 556009), (1090, 448888), (1199, 408080), (1744, 280555), (2180, 224444), (2398, 204040), (4360, 112222), (4796, 102020), (5101, 95920), (5995, 81616), (8720, 56111), (9592, 51010), (10202, 47960), (11990, 40808), (19184, 25505), (20404, 23980)]