201791020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31237}}^1$

素因数の和:31282

約数の個数: 48

約数和(自身を含む): 472318560

約数和(自身を除く): 270527540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31237, 62474, 124948, 156185, 312370, 531029, 593503, 624740, 1062058, 1187006, 2124116, 2374012, 2655145, 2967515, 5310290, 5935030, 10089551, 10620580, 11870060, 20179102, 40358204, 50447755, 100895510, 201791020]

約数ペア:

[(1, 201791020), (2, 100895510), (4, 50447755), (5, 40358204), (10, 20179102), (17, 11870060), (19, 10620580), (20, 10089551), (34, 5935030), (38, 5310290), (68, 2967515), (76, 2655145), (85, 2374012), (95, 2124116), (170, 1187006), (190, 1062058), (323, 624740), (340, 593503), (380, 531029), (646, 312370), (1292, 156185), (1615, 124948), (3230, 62474), (6460, 31237)]