2203940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 4656960

約数和(自身を除く): 2453020

約数列:

[1, 2, 4, 5, 10, 20, 263, 419, 526, 838, 1052, 1315, 1676, 2095, 2630, 4190, 5260, 8380, 110197, 220394, 440788, 550985, 1101970, 2203940]

約数ペア:

[(1, 2203940), (2, 1101970), (4, 550985), (5, 440788), (10, 220394), (20, 110197), (263, 8380), (419, 5260), (526, 4190), (838, 2630), (1052, 2095), (1315, 1676)]