209530450

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{21713}}^1$

素因数の和:21918

約数の個数: 24

約数和(自身を含む): 391763988

約数和(自身を除く): 182233538

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 4825, 9650, 21713, 43426, 108565, 217130, 542825, 1085650, 4190609, 8381218, 20953045, 41906090, 104765225, 209530450]

約数ペア:

[(1, 209530450), (2, 104765225), (5, 41906090), (10, 20953045), (25, 8381218), (50, 4190609), (193, 1085650), (386, 542825), (965, 217130), (1930, 108565), (4825, 43426), (9650, 21713)]