209388380

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{23633}}^1$

素因数の和:24085

約数の個数: 24

約数和(自身を含む): 440726832

約数和(自身を除く): 231338452

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 23633, 47266, 94532, 118165, 236330, 472660, 10469419, 20938838, 41877676, 52347095, 104694190, 209388380]

約数ペア:

[(1, 209388380), (2, 104694190), (4, 52347095), (5, 41877676), (10, 20938838), (20, 10469419), (443, 472660), (886, 236330), (1772, 118165), (2215, 94532), (4430, 47266), (8860, 23633)]