457942780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{115061}}^1$

素因数の和:115269

約数の個数: 24

約数和(自身を含む): 966520800

約数和(自身を除く): 508578020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 115061, 230122, 460244, 575305, 1150610, 2301220, 22897139, 45794278, 91588556, 114485695, 228971390, 457942780]

約数ペア:

[(1, 457942780), (2, 228971390), (4, 114485695), (5, 91588556), (10, 45794278), (20, 22897139), (199, 2301220), (398, 1150610), (796, 575305), (995, 460244), (1990, 230122), (3980, 115061)]