289486580

素因数分解:

$2^2\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{5347}}^1$

素因数の和:8063

約数の個数: 24

約数和(自身を含む): 608260128

約数和(自身を除く): 318773548

約数列:

[1, 2, 4, 5, 10, 20, 2707, 5347, 5414, 10694, 10828, 13535, 21388, 26735, 27070, 53470, 54140, 106940, 14474329, 28948658, 57897316, 72371645, 144743290, 289486580]

約数ペア:

[(1, 289486580), (2, 144743290), (4, 72371645), (5, 57897316), (10, 28948658), (20, 14474329), (2707, 106940), (5347, 54140), (5414, 53470), (10694, 27070), (10828, 26735), (13535, 21388)]