486511220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{9403}}^1$

素因数の和:9624

約数の個数: 48

約数和(自身を含む): 1105910400

約数和(自身を除く): 619399180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 9403, 10348, 12935, 18806, 25870, 37612, 47015, 51740, 94030, 122239, 188060, 244478, 488956, 611195, 1222390, 1871197, 2444780, 3742394, 7484788, 9355985, 18711970, 24325561, 37423940, 48651122, 97302244, 121627805, 243255610, 486511220]

約数ペア:

[(1, 486511220), (2, 243255610), (4, 121627805), (5, 97302244), (10, 48651122), (13, 37423940), (20, 24325561), (26, 18711970), (52, 9355985), (65, 7484788), (130, 3742394), (199, 2444780), (260, 1871197), (398, 1222390), (796, 611195), (995, 488956), (1990, 244478), (2587, 188060), (3980, 122239), (5174, 94030), (9403, 51740), (10348, 47015), (12935, 37612), (18806, 25870)]