209250515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 66538285

約数列:

[1, 5, 19, 29, 95, 145, 151, 503, 551, 755, 2515, 2755, 2869, 4379, 9557, 14345, 14587, 21895, 47785, 72935, 75953, 83201, 277153, 379765, 416005, 1385765, 1443107, 2202637, 7215535, 11013185, 41850103, 209250515]

約数ペア:

[(1, 209250515), (5, 41850103), (19, 11013185), (29, 7215535), (95, 2202637), (145, 1443107), (151, 1385765), (503, 416005), (551, 379765), (755, 277153), (2515, 83201), (2755, 75953), (2869, 72935), (4379, 47785), (9557, 21895), (14345, 14587)]