1398889720

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{100207}}^1$

素因数の和:100567

約数の個数: 32

約数和(自身を含む): 3156552000

約数和(自身を除く): 1757662280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 100207, 200414, 400828, 501035, 801656, 1002070, 2004140, 4008280, 34972243, 69944486, 139888972, 174861215, 279777944, 349722430, 699444860, 1398889720]

約数ペア:

[(1, 1398889720), (2, 699444860), (4, 349722430), (5, 279777944), (8, 174861215), (10, 139888972), (20, 69944486), (40, 34972243), (349, 4008280), (698, 2004140), (1396, 1002070), (1745, 801656), (2792, 501035), (3490, 400828), (6980, 200414), (13960, 100207)]