208857380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{143053}}^1$

素因数の和:143135

約数の個数: 24

約数和(自身を含む): 444611832

約数和(自身を除く): 235754452

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 143053, 286106, 572212, 715265, 1430530, 2861060, 10442869, 20885738, 41771476, 52214345, 104428690, 208857380]

約数ペア:

[(1, 208857380), (2, 104428690), (4, 52214345), (5, 41771476), (10, 20885738), (20, 10442869), (73, 2861060), (146, 1430530), (292, 715265), (365, 572212), (730, 286106), (1460, 143053)]