205217320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66629}}^1$

素因数の和:66658

約数の個数: 64

約数和(自身を含む): 575683200

約数和(自身を除く): 370465880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 66629, 133258, 266516, 333145, 466403, 533032, 666290, 732919, 932806, 1332580, 1465838, 1865612, 2332015, 2665160, 2931676, 3664595, 3731224, 4664030, 5130433, 5863352, 7329190, 9328060, 10260866, 14658380, 18656120, 20521732, 25652165, 29316760, 41043464, 51304330, 102608660, 205217320]

約数ペア:

[(1, 205217320), (2, 102608660), (4, 51304330), (5, 41043464), (7, 29316760), (8, 25652165), (10, 20521732), (11, 18656120), (14, 14658380), (20, 10260866), (22, 9328060), (28, 7329190), (35, 5863352), (40, 5130433), (44, 4664030), (55, 3731224), (56, 3664595), (70, 2931676), (77, 2665160), (88, 2332015), (110, 1865612), (140, 1465838), (154, 1332580), (220, 932806), (280, 732919), (308, 666290), (385, 533032), (440, 466403), (616, 333145), (770, 266516), (1540, 133258), (3080, 66629)]