1802380

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 3811248

約数和(自身を除く): 2008868

約数列:

[1, 2, 4, 5, 10, 20, 227, 397, 454, 794, 908, 1135, 1588, 1985, 2270, 3970, 4540, 7940, 90119, 180238, 360476, 450595, 901190, 1802380]

約数ペア:

[(1, 1802380), (2, 901190), (4, 450595), (5, 360476), (10, 180238), (20, 90119), (227, 7940), (397, 4540), (454, 3970), (794, 2270), (908, 1985), (1135, 1588)]