217224440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5651}}^1$

素因数の和:5724

約数の個数: 48

約数和(自身を含む): 505119240

約数和(自身を除く): 287894800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5651, 7688, 9610, 11302, 19220, 22604, 28255, 38440, 45208, 56510, 113020, 175181, 226040, 350362, 700724, 875905, 1401448, 1751810, 3503620, 5430611, 7007240, 10861222, 21722444, 27153055, 43444888, 54306110, 108612220, 217224440]

約数ペア:

[(1, 217224440), (2, 108612220), (4, 54306110), (5, 43444888), (8, 27153055), (10, 21722444), (20, 10861222), (31, 7007240), (40, 5430611), (62, 3503620), (124, 1751810), (155, 1401448), (248, 875905), (310, 700724), (620, 350362), (961, 226040), (1240, 175181), (1922, 113020), (3844, 56510), (4805, 45208), (5651, 38440), (7688, 28255), (9610, 22604), (11302, 19220)]