420996908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{325849}}^1$

素因数の和:325889

約数の個数: 24

約数和(自身を含む): 821142000

約数和(自身を除く): 400145092

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 325849, 651698, 1303396, 5539433, 6191131, 11078866, 12382262, 22157732, 24764524, 105249227, 210498454, 420996908]

約数ペア:

[(1, 420996908), (2, 210498454), (4, 105249227), (17, 24764524), (19, 22157732), (34, 12382262), (38, 11078866), (68, 6191131), (76, 5539433), (323, 1303396), (646, 651698), (1292, 325849)]