209127090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 301807950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 131, 254, 262, 381, 393, 419, 635, 655, 762, 786, 838, 1257, 1270, 1310, 1905, 1965, 2095, 2514, 3810, 3930, 4190, 6285, 12570, 16637, 33274, 49911, 53213, 54889, 83185, 99822, 106426, 109778, 159639, 164667, 166370, 249555, 266065, 274445, 319278, 329334, 499110, 532130, 548890, 798195, 823335, 1596390, 1646670, 6970903, 13941806, 20912709, 34854515, 41825418, 69709030, 104563545, 209127090]

約数ペア:

[(1, 209127090), (2, 104563545), (3, 69709030), (5, 41825418), (6, 34854515), (10, 20912709), (15, 13941806), (30, 6970903), (127, 1646670), (131, 1596390), (254, 823335), (262, 798195), (381, 548890), (393, 532130), (419, 499110), (635, 329334), (655, 319278), (762, 274445), (786, 266065), (838, 249555), (1257, 166370), (1270, 164667), (1310, 159639), (1905, 109778), (1965, 106426), (2095, 99822), (2514, 83185), (3810, 54889), (3930, 53213), (4190, 49911), (6285, 33274), (12570, 16637)]