8438375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 12838176

約数和(自身を除く): 4399801

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 125, 187, 209, 275, 323, 361, 425, 475, 935, 1045, 1375, 1615, 1805, 2125, 2375, 3553, 3971, 4675, 5225, 6137, 8075, 9025, 17765, 19855, 23375, 26125, 30685, 40375, 45125, 67507, 88825, 99275, 153425, 337535, 444125, 496375, 767125, 1687675, 8438375]

約数ペア:

[(1, 8438375), (5, 1687675), (11, 767125), (17, 496375), (19, 444125), (25, 337535), (55, 153425), (85, 99275), (95, 88825), (125, 67507), (187, 45125), (209, 40375), (275, 30685), (323, 26125), (361, 23375), (425, 19855), (475, 17765), (935, 9025), (1045, 8075), (1375, 6137), (1615, 5225), (1805, 4675), (2125, 3971), (2375, 3553)]